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Finding the Fourth Proportional to 166,591.97, 229,926.51 and 98,646.66

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Solution

The fourth proportional to 166,591.97, 229,926.51 and 98,646.66 is: 136,149.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,591.97 : 229,926.51 = 98,646.66 : x
  2. Step 2: Convert to fraction form
    166,591.97/229,926.51 = 98,646.66/x
  3. Step 3: Cross multiply
    166,591.97x = 229,926.51 × 98,646.66
  4. Step 4: Simplify right side
    166,591.97x = 22,681,482,256.96
  5. Step 5: Solve for x
    x = 22,681,482,256.96/166,591.97
  6. Step 6: Final answer
    x = 136,149.92

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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.