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Finding the Fourth Proportional to 153,617.01, 230,121.37 and 72,452.88

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Solution

The fourth proportional to 153,617.01, 230,121.37 and 72,452.88 is: 108,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,617.01 : 230,121.37 = 72,452.88 : x
  2. Step 2: Convert to fraction form
    153,617.01/230,121.37 = 72,452.88/x
  3. Step 3: Cross multiply
    153,617.01x = 230,121.37 × 72,452.88
  4. Step 4: Simplify right side
    153,617.01x = 16,672,956,006.05
  5. Step 5: Solve for x
    x = 16,672,956,006.05/153,617.01
  6. Step 6: Final answer
    x = 108,535.87

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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.