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Finding the Fourth Proportional to 150,432.68, 207,691.49 and 96,810.89

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Solution

The fourth proportional to 150,432.68, 207,691.49 and 96,810.89 is: 133,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.68 : 207,691.49 = 96,810.89 : x
  2. Step 2: Convert to fraction form
    150,432.68/207,691.49 = 96,810.89/x
  3. Step 3: Cross multiply
    150,432.68x = 207,691.49 × 96,810.89
  4. Step 4: Simplify right side
    150,432.68x = 20,106,797,195.90
  5. Step 5: Solve for x
    x = 20,106,797,195.90/150,432.68
  6. Step 6: Final answer
    x = 133,659.77

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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.