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Finding the Fourth Proportional to 177,813.72, 266,765.22 and 125,325.72

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Solution

The fourth proportional to 177,813.72, 266,765.22 and 125,325.72 is: 188,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,813.72 : 266,765.22 = 125,325.72 : x
  2. Step 2: Convert to fraction form
    177,813.72/266,765.22 = 125,325.72/x
  3. Step 3: Cross multiply
    177,813.72x = 266,765.22 × 125,325.72
  4. Step 4: Simplify right side
    177,813.72x = 33,432,543,267.46
  5. Step 5: Solve for x
    x = 33,432,543,267.46/177,813.72
  6. Step 6: Final answer
    x = 188,020.04

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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.