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Finding the Fourth Proportional to 178,019.62, 267,073.11 and 53,360.50

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Solution

The fourth proportional to 178,019.62, 267,073.11 and 53,360.50 is: 80,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,019.62 : 267,073.11 = 53,360.50 : x
  2. Step 2: Convert to fraction form
    178,019.62/267,073.11 = 53,360.50/x
  3. Step 3: Cross multiply
    178,019.62x = 267,073.11 × 53,360.50
  4. Step 4: Simplify right side
    178,019.62x = 14,251,154,686.16
  5. Step 5: Solve for x
    x = 14,251,154,686.16/178,019.62
  6. Step 6: Final answer
    x = 80,053.84

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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.