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Finding the Fourth Proportional to 179,038.38, 247,079.17 and 98,472

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Solution

The fourth proportional to 179,038.38, 247,079.17 and 98,472 is: 135,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,038.38 : 247,079.17 = 98,472 : x
  2. Step 2: Convert to fraction form
    179,038.38/247,079.17 = 98,472/x
  3. Step 3: Cross multiply
    179,038.38x = 247,079.17 × 98,472
  4. Step 4: Simplify right side
    179,038.38x = 24,330,380,028.24
  5. Step 5: Solve for x
    x = 24,330,380,028.24/179,038.38
  6. Step 6: Final answer
    x = 135,894.77

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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.