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Finding the Fourth Proportional to 363,601.68, 545,427.36 and 123,617.88

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Solution

The fourth proportional to 363,601.68, 545,427.36 and 123,617.88 is: 185,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,601.68 : 545,427.36 = 123,617.88 : x
  2. Step 2: Convert to fraction form
    363,601.68/545,427.36 = 123,617.88/x
  3. Step 3: Cross multiply
    363,601.68x = 545,427.36 × 123,617.88
  4. Step 4: Simplify right side
    363,601.68x = 67,424,573,937.20
  5. Step 5: Solve for x
    x = 67,424,573,937.20/363,601.68
  6. Step 6: Final answer
    x = 185,435.27

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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.