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Finding the Fourth Proportional to 83,064.88, 114,670.65 and 51,251.32

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Solution

The fourth proportional to 83,064.88, 114,670.65 and 51,251.32 is: 70,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,064.88 : 114,670.65 = 51,251.32 : x
  2. Step 2: Convert to fraction form
    83,064.88/114,670.65 = 51,251.32/x
  3. Step 3: Cross multiply
    83,064.88x = 114,670.65 × 51,251.32
  4. Step 4: Simplify right side
    83,064.88x = 5,877,022,177.76
  5. Step 5: Solve for x
    x = 5,877,022,177.76/83,064.88
  6. Step 6: Final answer
    x = 70,752.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.