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Finding the Fourth Proportional to 187,657.60, 281,504.88 and 54,539.02

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Solution

The fourth proportional to 187,657.60, 281,504.88 and 54,539.02 is: 81,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,657.60 : 281,504.88 = 54,539.02 : x
  2. Step 2: Convert to fraction form
    187,657.60/281,504.88 = 54,539.02/x
  3. Step 3: Cross multiply
    187,657.60x = 281,504.88 × 54,539.02
  4. Step 4: Simplify right side
    187,657.60x = 15,353,000,280.42
  5. Step 5: Solve for x
    x = 15,353,000,280.42/187,657.60
  6. Step 6: Final answer
    x = 81,813.90

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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.