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Finding the Fourth Proportional to 168,644.88, 232,710.12 and 93,188.88

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Solution

The fourth proportional to 168,644.88, 232,710.12 and 93,188.88 is: 128,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,644.88 : 232,710.12 = 93,188.88 : x
  2. Step 2: Convert to fraction form
    168,644.88/232,710.12 = 93,188.88/x
  3. Step 3: Cross multiply
    168,644.88x = 232,710.12 × 93,188.88
  4. Step 4: Simplify right side
    168,644.88x = 21,685,995,447.47
  5. Step 5: Solve for x
    x = 21,685,995,447.47/168,644.88
  6. Step 6: Final answer
    x = 128,589.71

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1.5x scale

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.