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Finding the Fourth Proportional to 247,416.96, 371,138.88 and 69,937.92

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Solution

The fourth proportional to 247,416.96, 371,138.88 and 69,937.92 is: 104,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,416.96 : 371,138.88 = 69,937.92 : x
  2. Step 2: Convert to fraction form
    247,416.96/371,138.88 = 69,937.92/x
  3. Step 3: Cross multiply
    247,416.96x = 371,138.88 × 69,937.92
  4. Step 4: Simplify right side
    247,416.96x = 25,956,681,298.33
  5. Step 5: Solve for x
    x = 25,956,681,298.33/247,416.96
  6. Step 6: Final answer
    x = 104,910.68

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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.