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Finding the Fourth Proportional to 177,357.30, 266,165.55 and 124,869.30

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Solution

The fourth proportional to 177,357.30, 266,165.55 and 124,869.30 is: 187,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,357.30 : 266,165.55 = 124,869.30 : x
  2. Step 2: Convert to fraction form
    177,357.30/266,165.55 = 124,869.30/x
  3. Step 3: Cross multiply
    177,357.30x = 266,165.55 × 124,869.30
  4. Step 4: Simplify right side
    177,357.30x = 33,235,905,912.62
  5. Step 5: Solve for x
    x = 33,235,905,912.62/177,357.30
  6. Step 6: Final answer
    x = 187,395.20

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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.