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Finding the Fourth Proportional to 247,602.72, 371,174.76 and 89,788.80

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Solution

The fourth proportional to 247,602.72, 371,174.76 and 89,788.80 is: 134,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,602.72 : 371,174.76 = 89,788.80 : x
  2. Step 2: Convert to fraction form
    247,602.72/371,174.76 = 89,788.80/x
  3. Step 3: Cross multiply
    247,602.72x = 371,174.76 × 89,788.80
  4. Step 4: Simplify right side
    247,602.72x = 33,327,336,290.69
  5. Step 5: Solve for x
    x = 33,327,336,290.69/247,602.72
  6. Step 6: Final answer
    x = 134,600.04

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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.