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Finding the Fourth Proportional to 180,856.80, 271,285.20 and 62,515.80

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Solution

The fourth proportional to 180,856.80, 271,285.20 and 62,515.80 is: 93,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,856.80 : 271,285.20 = 62,515.80 : x
  2. Step 2: Convert to fraction form
    180,856.80/271,285.20 = 62,515.80/x
  3. Step 3: Cross multiply
    180,856.80x = 271,285.20 × 62,515.80
  4. Step 4: Simplify right side
    180,856.80x = 16,959,611,306.16
  5. Step 5: Solve for x
    x = 16,959,611,306.16/180,856.80
  6. Step 6: Final answer
    x = 93,773.70

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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.