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Finding the Fourth Proportional to 83,333.80, 125,026.30 and 65,810.60

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Solution

The fourth proportional to 83,333.80, 125,026.30 and 65,810.60 is: 98,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,333.80 : 125,026.30 = 65,810.60 : x
  2. Step 2: Convert to fraction form
    83,333.80/125,026.30 = 65,810.60/x
  3. Step 3: Cross multiply
    83,333.80x = 125,026.30 × 65,810.60
  4. Step 4: Simplify right side
    83,333.80x = 8,228,055,818.78
  5. Step 5: Solve for x
    x = 8,228,055,818.78/83,333.80
  6. Step 6: Final answer
    x = 98,736.12

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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.