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Finding the Fourth Proportional to 172,267.92, 258,401.88 and 101,934

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Solution

The fourth proportional to 172,267.92, 258,401.88 and 101,934 is: 152,901

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,267.92 : 258,401.88 = 101,934 : x
  2. Step 2: Convert to fraction form
    172,267.92/258,401.88 = 101,934/x
  3. Step 3: Cross multiply
    172,267.92x = 258,401.88 × 101,934
  4. Step 4: Simplify right side
    172,267.92x = 26,339,937,235.92
  5. Step 5: Solve for x
    x = 26,339,937,235.92/172,267.92
  6. Step 6: Final answer
    x = 152,901

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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.