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Finding the Fourth Proportional to 168,658.74, 232,765.65 and 97,041.78

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Solution

The fourth proportional to 168,658.74, 232,765.65 and 97,041.78 is: 133,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,658.74 : 232,765.65 = 97,041.78 : x
  2. Step 2: Convert to fraction form
    168,658.74/232,765.65 = 97,041.78/x
  3. Step 3: Cross multiply
    168,658.74x = 232,765.65 × 97,041.78
  4. Step 4: Simplify right side
    168,658.74x = 22,587,992,998.86
  5. Step 5: Solve for x
    x = 22,587,992,998.86/168,658.74
  6. Step 6: Final answer
    x = 133,927.20

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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.