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Finding the Fourth Proportional to 179,472.72, 247,671.28 and 97,800.82

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Solution

The fourth proportional to 179,472.72, 247,671.28 and 97,800.82 is: 134,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,472.72 : 247,671.28 = 97,800.82 : x
  2. Step 2: Convert to fraction form
    179,472.72/247,671.28 = 97,800.82/x
  3. Step 3: Cross multiply
    179,472.72x = 247,671.28 × 97,800.82
  4. Step 4: Simplify right side
    179,472.72x = 24,222,454,274.45
  5. Step 5: Solve for x
    x = 24,222,454,274.45/179,472.72
  6. Step 6: Final answer
    x = 134,964.55

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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.