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Finding the Fourth Proportional to 157,666.92, 217,540.98 and 101,154.84

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Solution

The fourth proportional to 157,666.92, 217,540.98 and 101,154.84 is: 139,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.92 : 217,540.98 = 101,154.84 : x
  2. Step 2: Convert to fraction form
    157,666.92/217,540.98 = 101,154.84/x
  3. Step 3: Cross multiply
    157,666.92x = 217,540.98 × 101,154.84
  4. Step 4: Simplify right side
    157,666.92x = 22,005,323,025.34
  5. Step 5: Solve for x
    x = 22,005,323,025.34/157,666.92
  6. Step 6: Final answer
    x = 139,568.42

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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.