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Finding the Fourth Proportional to 168,751.12, 232,881.24 and 93,304.48

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Solution

The fourth proportional to 168,751.12, 232,881.24 and 93,304.48 is: 128,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,751.12 : 232,881.24 = 93,304.48 : x
  2. Step 2: Convert to fraction form
    168,751.12/232,881.24 = 93,304.48/x
  3. Step 3: Cross multiply
    168,751.12x = 232,881.24 × 93,304.48
  4. Step 4: Simplify right side
    168,751.12x = 21,728,862,999.96
  5. Step 5: Solve for x
    x = 21,728,862,999.96/168,751.12
  6. Step 6: Final answer
    x = 128,762.78

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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.