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Finding the Fourth Proportional to 83,377.92, 115,061.92 and 45,655.68

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Solution

The fourth proportional to 83,377.92, 115,061.92 and 45,655.68 is: 63,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,377.92 : 115,061.92 = 45,655.68 : x
  2. Step 2: Convert to fraction form
    83,377.92/115,061.92 = 45,655.68/x
  3. Step 3: Cross multiply
    83,377.92x = 115,061.92 × 45,655.68
  4. Step 4: Simplify right side
    83,377.92x = 5,253,230,199.71
  5. Step 5: Solve for x
    x = 5,253,230,199.71/83,377.92
  6. Step 6: Final answer
    x = 63,005.05

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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.