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Finding the Fourth Proportional to 178,656.60, 267,882.84 and 73,389

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Solution

The fourth proportional to 178,656.60, 267,882.84 and 73,389 is: 110,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,656.60 : 267,882.84 = 73,389 : x
  2. Step 2: Convert to fraction form
    178,656.60/267,882.84 = 73,389/x
  3. Step 3: Cross multiply
    178,656.60x = 267,882.84 × 73,389
  4. Step 4: Simplify right side
    178,656.60x = 19,659,653,744.76
  5. Step 5: Solve for x
    x = 19,659,653,744.76/178,656.60
  6. Step 6: Final answer
    x = 110,041.58

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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.