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Finding the Fourth Proportional to 118,410.40, 177,462.50 and 88,594.30

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Solution

The fourth proportional to 118,410.40, 177,462.50 and 88,594.30 is: 132,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,410.40 : 177,462.50 = 88,594.30 : x
  2. Step 2: Convert to fraction form
    118,410.40/177,462.50 = 88,594.30/x
  3. Step 3: Cross multiply
    118,410.40x = 177,462.50 × 88,594.30
  4. Step 4: Simplify right side
    118,410.40x = 15,722,165,963.75
  5. Step 5: Solve for x
    x = 15,722,165,963.75/118,410.40
  6. Step 6: Final answer
    x = 132,776.90

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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.