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Finding the Fourth Proportional to 157,201.56, 216,904.52 and 93,526.92

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Solution

The fourth proportional to 157,201.56, 216,904.52 and 93,526.92 is: 129,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,201.56 : 216,904.52 = 93,526.92 : x
  2. Step 2: Convert to fraction form
    157,201.56/216,904.52 = 93,526.92/x
  3. Step 3: Cross multiply
    157,201.56x = 216,904.52 × 93,526.92
  4. Step 4: Simplify right side
    157,201.56x = 20,286,411,689.68
  5. Step 5: Solve for x
    x = 20,286,411,689.68/157,201.56
  6. Step 6: Final answer
    x = 129,047.14

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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.