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Finding the Fourth Proportional to 163,545.44, 225,699.11 and 91,925.24

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Solution

The fourth proportional to 163,545.44, 225,699.11 and 91,925.24 is: 126,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545.44 : 225,699.11 = 91,925.24 : x
  2. Step 2: Convert to fraction form
    163,545.44/225,699.11 = 91,925.24/x
  3. Step 3: Cross multiply
    163,545.44x = 225,699.11 × 91,925.24
  4. Step 4: Simplify right side
    163,545.44x = 20,747,444,394.91
  5. Step 5: Solve for x
    x = 20,747,444,394.91/163,545.44
  6. Step 6: Final answer
    x = 126,860.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.