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Finding the Fourth Proportional to 247,440.30, 371,160.45 and 158,793.90

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Solution

The fourth proportional to 247,440.30, 371,160.45 and 158,793.90 is: 238,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,440.30 : 371,160.45 = 158,793.90 : x
  2. Step 2: Convert to fraction form
    247,440.30/371,160.45 = 158,793.90/x
  3. Step 3: Cross multiply
    247,440.30x = 371,160.45 × 158,793.90
  4. Step 4: Simplify right side
    247,440.30x = 58,938,015,381.26
  5. Step 5: Solve for x
    x = 58,938,015,381.26/247,440.30
  6. Step 6: Final answer
    x = 238,190.85

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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.