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Finding the Fourth Proportional to 180,871.60, 271,404.60 and 75,701.20

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Solution

The fourth proportional to 180,871.60, 271,404.60 and 75,701.20 is: 113,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,871.60 : 271,404.60 = 75,701.20 : x
  2. Step 2: Convert to fraction form
    180,871.60/271,404.60 = 75,701.20/x
  3. Step 3: Cross multiply
    180,871.60x = 271,404.60 × 75,701.20
  4. Step 4: Simplify right side
    180,871.60x = 20,545,653,905.52
  5. Step 5: Solve for x
    x = 20,545,653,905.52/180,871.60
  6. Step 6: Final answer
    x = 113,592.48

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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.