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Finding the Fourth Proportional to 178,366.20, 267,549.30 and 53,707.20

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Solution

The fourth proportional to 178,366.20, 267,549.30 and 53,707.20 is: 80,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,366.20 : 267,549.30 = 53,707.20 : x
  2. Step 2: Convert to fraction form
    178,366.20/267,549.30 = 53,707.20/x
  3. Step 3: Cross multiply
    178,366.20x = 267,549.30 × 53,707.20
  4. Step 4: Simplify right side
    178,366.20x = 14,369,323,764.96
  5. Step 5: Solve for x
    x = 14,369,323,764.96/178,366.20
  6. Step 6: Final answer
    x = 80,560.80

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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.