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Finding the Fourth Proportional to 96,560.60, 144,792.30 and 57,129.80

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Solution

The fourth proportional to 96,560.60, 144,792.30 and 57,129.80 is: 85,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,560.60 : 144,792.30 = 57,129.80 : x
  2. Step 2: Convert to fraction form
    96,560.60/144,792.30 = 57,129.80/x
  3. Step 3: Cross multiply
    96,560.60x = 144,792.30 × 57,129.80
  4. Step 4: Simplify right side
    96,560.60x = 8,271,955,140.54
  5. Step 5: Solve for x
    x = 8,271,955,140.54/96,560.60
  6. Step 6: Final answer
    x = 85,665.95

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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.