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Finding the Fourth Proportional to 179,098.08, 247,127.92 and 103,632

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Solution

The fourth proportional to 179,098.08, 247,127.92 and 103,632 is: 142,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,098.08 : 247,127.92 = 103,632 : x
  2. Step 2: Convert to fraction form
    179,098.08/247,127.92 = 103,632/x
  3. Step 3: Cross multiply
    179,098.08x = 247,127.92 × 103,632
  4. Step 4: Simplify right side
    179,098.08x = 25,610,360,605.44
  5. Step 5: Solve for x
    x = 25,610,360,605.44/179,098.08
  6. Step 6: Final answer
    x = 142,996.29

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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.