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Finding the Fourth Proportional to 101,626.80, 152,379.45 and 62,212.20

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Solution

The fourth proportional to 101,626.80, 152,379.45 and 62,212.20 is: 93,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,626.80 : 152,379.45 = 62,212.20 : x
  2. Step 2: Convert to fraction form
    101,626.80/152,379.45 = 62,212.20/x
  3. Step 3: Cross multiply
    101,626.80x = 152,379.45 × 62,212.20
  4. Step 4: Simplify right side
    101,626.80x = 9,479,860,819.29
  5. Step 5: Solve for x
    x = 9,479,860,819.29/101,626.80
  6. Step 6: Final answer
    x = 93,281.11

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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.