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Finding the Fourth Proportional to 379,127.62, 568,693.05 and 98,624.62

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Solution

The fourth proportional to 379,127.62, 568,693.05 and 98,624.62 is: 147,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,127.62 : 568,693.05 = 98,624.62 : x
  2. Step 2: Convert to fraction form
    379,127.62/568,693.05 = 98,624.62/x
  3. Step 3: Cross multiply
    379,127.62x = 568,693.05 × 98,624.62
  4. Step 4: Simplify right side
    379,127.62x = 56,087,135,952.89
  5. Step 5: Solve for x
    x = 56,087,135,952.89/379,127.62
  6. Step 6: Final answer
    x = 147,937.35

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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.