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Finding the Fourth Proportional to 168,463.62, 232,470.27 and 100,557.27

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Solution

The fourth proportional to 168,463.62, 232,470.27 and 100,557.27 is: 138,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,463.62 : 232,470.27 = 100,557.27 : x
  2. Step 2: Convert to fraction form
    168,463.62/232,470.27 = 100,557.27/x
  3. Step 3: Cross multiply
    168,463.62x = 232,470.27 × 100,557.27
  4. Step 4: Simplify right side
    168,463.62x = 23,376,575,707.36
  5. Step 5: Solve for x
    x = 23,376,575,707.36/168,463.62
  6. Step 6: Final answer
    x = 138,763.35

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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.