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Finding the Fourth Proportional to 114,306.66, 171,343.08 and 80,947.62

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Solution

The fourth proportional to 114,306.66, 171,343.08 and 80,947.62 is: 121,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,306.66 : 171,343.08 = 80,947.62 : x
  2. Step 2: Convert to fraction form
    114,306.66/171,343.08 = 80,947.62/x
  3. Step 3: Cross multiply
    114,306.66x = 171,343.08 × 80,947.62
  4. Step 4: Simplify right side
    114,306.66x = 13,869,814,529.47
  5. Step 5: Solve for x
    x = 13,869,814,529.47/114,306.66
  6. Step 6: Final answer
    x = 121,338.64

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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.