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Finding the Fourth Proportional to 177,729.48, 266,468.40 and 88,919.28

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Solution

The fourth proportional to 177,729.48, 266,468.40 and 88,919.28 is: 133,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,729.48 : 266,468.40 = 88,919.28 : x
  2. Step 2: Convert to fraction form
    177,729.48/266,468.40 = 88,919.28/x
  3. Step 3: Cross multiply
    177,729.48x = 266,468.40 × 88,919.28
  4. Step 4: Simplify right side
    177,729.48x = 23,694,178,270.75
  5. Step 5: Solve for x
    x = 23,694,178,270.75/177,729.48
  6. Step 6: Final answer
    x = 133,315.97

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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.