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Finding the Fourth Proportional to 149,190.92, 223,753.92 and 49,327.52

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Solution

The fourth proportional to 149,190.92, 223,753.92 and 49,327.52 is: 73,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,190.92 : 223,753.92 = 49,327.52 : x
  2. Step 2: Convert to fraction form
    149,190.92/223,753.92 = 49,327.52/x
  3. Step 3: Cross multiply
    149,190.92x = 223,753.92 × 49,327.52
  4. Step 4: Simplify right side
    149,190.92x = 11,037,225,963.88
  5. Step 5: Solve for x
    x = 11,037,225,963.88/149,190.92
  6. Step 6: Final answer
    x = 73,980.55

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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.