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Finding the Fourth Proportional to 178,281.78, 267,255.20 and 59,870.09

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Solution

The fourth proportional to 178,281.78, 267,255.20 and 59,870.09 is: 89,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,281.78 : 267,255.20 = 59,870.09 : x
  2. Step 2: Convert to fraction form
    178,281.78/267,255.20 = 59,870.09/x
  3. Step 3: Cross multiply
    178,281.78x = 267,255.20 × 59,870.09
  4. Step 4: Simplify right side
    178,281.78x = 16,000,591,241.34
  5. Step 5: Solve for x
    x = 16,000,591,241.34/178,281.78
  6. Step 6: Final answer
    x = 89,748.89

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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.