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Finding the Fourth Proportional to 130,466.52, 195,737.72 and 54,600.86

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Solution

The fourth proportional to 130,466.52, 195,737.72 and 54,600.86 is: 81,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,466.52 : 195,737.72 = 54,600.86 : x
  2. Step 2: Convert to fraction form
    130,466.52/195,737.72 = 54,600.86/x
  3. Step 3: Cross multiply
    130,466.52x = 195,737.72 × 54,600.86
  4. Step 4: Simplify right side
    130,466.52x = 10,687,447,512.27
  5. Step 5: Solve for x
    x = 10,687,447,512.27/130,466.52
  6. Step 6: Final answer
    x = 81,917.16

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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.