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Finding the Fourth Proportional to 163,324.98, 225,382.77 and 99,769.14

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Solution

The fourth proportional to 163,324.98, 225,382.77 and 99,769.14 is: 137,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,324.98 : 225,382.77 = 99,769.14 : x
  2. Step 2: Convert to fraction form
    163,324.98/225,382.77 = 99,769.14/x
  3. Step 3: Cross multiply
    163,324.98x = 225,382.77 × 99,769.14
  4. Step 4: Simplify right side
    163,324.98x = 22,486,245,133.72
  5. Step 5: Solve for x
    x = 22,486,245,133.72/163,324.98
  6. Step 6: Final answer
    x = 137,677.93

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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.