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Finding the Fourth Proportional to 178,666.61, 267,996.13 and 45,546.89

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Solution

The fourth proportional to 178,666.61, 267,996.13 and 45,546.89 is: 68,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,666.61 : 267,996.13 = 45,546.89 : x
  2. Step 2: Convert to fraction form
    178,666.61/267,996.13 = 45,546.89/x
  3. Step 3: Cross multiply
    178,666.61x = 267,996.13 × 45,546.89
  4. Step 4: Simplify right side
    178,666.61x = 12,206,388,799.69
  5. Step 5: Solve for x
    x = 12,206,388,799.69/178,666.61
  6. Step 6: Final answer
    x = 68,319.36

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1.5x scale

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.