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Finding the Fourth Proportional to 117,372.96, 176,057.52 and 47,250.48

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Solution

The fourth proportional to 117,372.96, 176,057.52 and 47,250.48 is: 70,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,372.96 : 176,057.52 = 47,250.48 : x
  2. Step 2: Convert to fraction form
    117,372.96/176,057.52 = 47,250.48/x
  3. Step 3: Cross multiply
    117,372.96x = 176,057.52 × 47,250.48
  4. Step 4: Simplify right side
    117,372.96x = 8,318,802,327.61
  5. Step 5: Solve for x
    x = 8,318,802,327.61/117,372.96
  6. Step 6: Final answer
    x = 70,874.95

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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.