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Finding the Fourth Proportional to 168,747.12, 232,875.72 and 93,300.48

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Solution

The fourth proportional to 168,747.12, 232,875.72 and 93,300.48 is: 128,757.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,747.12 : 232,875.72 = 93,300.48 : x
  2. Step 2: Convert to fraction form
    168,747.12/232,875.72 = 93,300.48/x
  3. Step 3: Cross multiply
    168,747.12x = 232,875.72 × 93,300.48
  4. Step 4: Simplify right side
    168,747.12x = 21,727,416,456.35
  5. Step 5: Solve for x
    x = 21,727,416,456.35/168,747.12
  6. Step 6: Final answer
    x = 128,757.26

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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.