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Finding the Fourth Proportional to 344,777.80, 517,166.62 and 108,141.16

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Solution

The fourth proportional to 344,777.80, 517,166.62 and 108,141.16 is: 162,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,777.80 : 517,166.62 = 108,141.16 : x
  2. Step 2: Convert to fraction form
    344,777.80/517,166.62 = 108,141.16/x
  3. Step 3: Cross multiply
    344,777.80x = 517,166.62 × 108,141.16
  4. Step 4: Simplify right side
    344,777.80x = 55,926,998,200.08
  5. Step 5: Solve for x
    x = 55,926,998,200.08/344,777.80
  6. Step 6: Final answer
    x = 162,211.71

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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.