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Finding the Fourth Proportional to 179,115.74, 247,179.74 and 98,541.54

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Solution

The fourth proportional to 179,115.74, 247,179.74 and 98,541.54 is: 135,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,115.74 : 247,179.74 = 98,541.54 : x
  2. Step 2: Convert to fraction form
    179,115.74/247,179.74 = 98,541.54/x
  3. Step 3: Cross multiply
    179,115.74x = 247,179.74 × 98,541.54
  4. Step 4: Simplify right side
    179,115.74x = 24,357,472,236.40
  5. Step 5: Solve for x
    x = 24,357,472,236.40/179,115.74
  6. Step 6: Final answer
    x = 135,987.34

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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.