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Finding the Fourth Proportional to 176,555, 243,645.90 and 97,067

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Solution

The fourth proportional to 176,555, 243,645.90 and 97,067 is: 133,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,555 : 243,645.90 = 97,067 : x
  2. Step 2: Convert to fraction form
    176,555/243,645.90 = 97,067/x
  3. Step 3: Cross multiply
    176,555x = 243,645.90 × 97,067
  4. Step 4: Simplify right side
    176,555x = 23,649,976,575.30
  5. Step 5: Solve for x
    x = 23,649,976,575.30/176,555
  6. Step 6: Final answer
    x = 133,952.46

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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.