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Finding the Fourth Proportional to 124,439.96, 171,753.96 and 73,433.72

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Solution

The fourth proportional to 124,439.96, 171,753.96 and 73,433.72 is: 101,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,439.96 : 171,753.96 = 73,433.72 : x
  2. Step 2: Convert to fraction form
    124,439.96/171,753.96 = 73,433.72/x
  3. Step 3: Cross multiply
    124,439.96x = 171,753.96 × 73,433.72
  4. Step 4: Simplify right side
    124,439.96x = 12,612,532,207.53
  5. Step 5: Solve for x
    x = 12,612,532,207.53/124,439.96
  6. Step 6: Final answer
    x = 101,354.36

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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.