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Finding the Fourth Proportional to 177,934.40, 266,900.52 and 71,366.48

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Solution

The fourth proportional to 177,934.40, 266,900.52 and 71,366.48 is: 107,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,934.40 : 266,900.52 = 71,366.48 : x
  2. Step 2: Convert to fraction form
    177,934.40/266,900.52 = 71,366.48/x
  3. Step 3: Cross multiply
    177,934.40x = 266,900.52 × 71,366.48
  4. Step 4: Simplify right side
    177,934.40x = 19,047,750,622.57
  5. Step 5: Solve for x
    x = 19,047,750,622.57/177,934.40
  6. Step 6: Final answer
    x = 107,049.29

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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.