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Finding the Fourth Proportional to 72,149.38, 108,225.68 and 24,764.38

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Solution

The fourth proportional to 72,149.38, 108,225.68 and 24,764.38 is: 37,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149.38 : 108,225.68 = 24,764.38 : x
  2. Step 2: Convert to fraction form
    72,149.38/108,225.68 = 24,764.38/x
  3. Step 3: Cross multiply
    72,149.38x = 108,225.68 × 24,764.38
  4. Step 4: Simplify right side
    72,149.38x = 2,680,141,386.06
  5. Step 5: Solve for x
    x = 2,680,141,386.06/72,149.38
  6. Step 6: Final answer
    x = 37,147.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.