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Finding the Fourth Proportional to 123,737.56, 170,757.83 and 67,148.94

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Solution

The fourth proportional to 123,737.56, 170,757.83 and 67,148.94 is: 92,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,737.56 : 170,757.83 = 67,148.94 : x
  2. Step 2: Convert to fraction form
    123,737.56/170,757.83 = 67,148.94/x
  3. Step 3: Cross multiply
    123,737.56x = 170,757.83 × 67,148.94
  4. Step 4: Simplify right side
    123,737.56x = 11,466,207,281.20
  5. Step 5: Solve for x
    x = 11,466,207,281.20/123,737.56
  6. Step 6: Final answer
    x = 92,665.54

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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.