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Finding the Fourth Proportional to 177,321.20, 266,176.20 and 110,836.40

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Solution

The fourth proportional to 177,321.20, 266,176.20 and 110,836.40 is: 166,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,321.20 : 266,176.20 = 110,836.40 : x
  2. Step 2: Convert to fraction form
    177,321.20/266,176.20 = 110,836.40/x
  3. Step 3: Cross multiply
    177,321.20x = 266,176.20 × 110,836.40
  4. Step 4: Simplify right side
    177,321.20x = 29,502,011,773.68
  5. Step 5: Solve for x
    x = 29,502,011,773.68/177,321.20
  6. Step 6: Final answer
    x = 166,376.11

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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.