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Finding the Fourth Proportional to 179,297.76, 247,422 and 98,732.48

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Solution

The fourth proportional to 179,297.76, 247,422 and 98,732.48 is: 136,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,297.76 : 247,422 = 98,732.48 : x
  2. Step 2: Convert to fraction form
    179,297.76/247,422 = 98,732.48/x
  3. Step 3: Cross multiply
    179,297.76x = 247,422 × 98,732.48
  4. Step 4: Simplify right side
    179,297.76x = 24,428,587,666.56
  5. Step 5: Solve for x
    x = 24,428,587,666.56/179,297.76
  6. Step 6: Final answer
    x = 136,245.92

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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.