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Finding the Fourth Proportional to 173,171.52, 259,545.01 and 98,354.55

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Solution

The fourth proportional to 173,171.52, 259,545.01 and 98,354.55 is: 147,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,171.52 : 259,545.01 = 98,354.55 : x
  2. Step 2: Convert to fraction form
    173,171.52/259,545.01 = 98,354.55/x
  3. Step 3: Cross multiply
    173,171.52x = 259,545.01 × 98,354.55
  4. Step 4: Simplify right side
    173,171.52x = 25,527,433,575.12
  5. Step 5: Solve for x
    x = 25,527,433,575.12/173,171.52
  6. Step 6: Final answer
    x = 147,411.27

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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.