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Finding the Fourth Proportional to 101,432.92, 151,406.21 and 89,462.38

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Solution

The fourth proportional to 101,432.92, 151,406.21 and 89,462.38 is: 133,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,432.92 : 151,406.21 = 89,462.38 : x
  2. Step 2: Convert to fraction form
    101,432.92/151,406.21 = 89,462.38/x
  3. Step 3: Cross multiply
    101,432.92x = 151,406.21 × 89,462.38
  4. Step 4: Simplify right side
    101,432.92x = 13,545,159,893.38
  5. Step 5: Solve for x
    x = 13,545,159,893.38/101,432.92
  6. Step 6: Final answer
    x = 133,538.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.