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Finding the Fourth Proportional to 267,060.80, 400,729.28 and 117,406.08

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Solution

The fourth proportional to 267,060.80, 400,729.28 and 117,406.08 is: 176,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,060.80 : 400,729.28 = 117,406.08 : x
  2. Step 2: Convert to fraction form
    267,060.80/400,729.28 = 117,406.08/x
  3. Step 3: Cross multiply
    267,060.80x = 400,729.28 × 117,406.08
  4. Step 4: Simplify right side
    267,060.80x = 47,048,053,906.02
  5. Step 5: Solve for x
    x = 47,048,053,906.02/267,060.80
  6. Step 6: Final answer
    x = 176,169.82

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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.