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Finding the Fourth Proportional to 83,587,777.80, 125,381,666.70 and 44,845,728.90

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Solution

The fourth proportional to 83,587,777.80, 125,381,666.70 and 44,845,728.90 is: 67,268,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,587,777.80 : 125,381,666.70 = 44,845,728.90 : x
  2. Step 2: Convert to fraction form
    83,587,777.80/125,381,666.70 = 44,845,728.90/x
  3. Step 3: Cross multiply
    83,587,777.80x = 125,381,666.70 × 44,845,728.90
  4. Step 4: Simplify right side
    83,587,777.80x = 5,622,832,233,858,358
  5. Step 5: Solve for x
    x = 5,622,832,233,858,358/83,587,777.80
  6. Step 6: Final answer
    x = 67,268,593.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.