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Finding the Fourth Proportional to 177,752.60, 266,628.82 and 71,184.56

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Solution

The fourth proportional to 177,752.60, 266,628.82 and 71,184.56 is: 106,776.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,752.60 : 266,628.82 = 71,184.56 : x
  2. Step 2: Convert to fraction form
    177,752.60/266,628.82 = 71,184.56/x
  3. Step 3: Cross multiply
    177,752.60x = 266,628.82 × 71,184.56
  4. Step 4: Simplify right side
    177,752.60x = 18,979,855,235.02
  5. Step 5: Solve for x
    x = 18,979,855,235.02/177,752.60
  6. Step 6: Final answer
    x = 106,776.81

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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.