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Finding the Fourth Proportional to 170,027.49, 254,691.22 and 99,737.31

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Solution

The fourth proportional to 170,027.49, 254,691.22 and 99,737.31 is: 149,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,027.49 : 254,691.22 = 99,737.31 : x
  2. Step 2: Convert to fraction form
    170,027.49/254,691.22 = 99,737.31/x
  3. Step 3: Cross multiply
    170,027.49x = 254,691.22 × 99,737.31
  4. Step 4: Simplify right side
    170,027.49x = 25,402,217,163.42
  5. Step 5: Solve for x
    x = 25,402,217,163.42/170,027.49
  6. Step 6: Final answer
    x = 149,400.65

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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.