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Finding the Fourth Proportional to 179,490.28, 247,695.42 and 98,917.90

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Solution

The fourth proportional to 179,490.28, 247,695.42 and 98,917.90 is: 136,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,490.28 : 247,695.42 = 98,917.90 : x
  2. Step 2: Convert to fraction form
    179,490.28/247,695.42 = 98,917.90/x
  3. Step 3: Cross multiply
    179,490.28x = 247,695.42 × 98,917.90
  4. Step 4: Simplify right side
    179,490.28x = 24,501,510,786.02
  5. Step 5: Solve for x
    x = 24,501,510,786.02/179,490.28
  6. Step 6: Final answer
    x = 136,506.06

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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.