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Finding the Fourth Proportional to 179,502.76, 247,703.72 and 98,930.04

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Solution

The fourth proportional to 179,502.76, 247,703.72 and 98,930.04 is: 136,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,502.76 : 247,703.72 = 98,930.04 : x
  2. Step 2: Convert to fraction form
    179,502.76/247,703.72 = 98,930.04/x
  3. Step 3: Cross multiply
    179,502.76x = 247,703.72 × 98,930.04
  4. Step 4: Simplify right side
    179,502.76x = 24,505,338,927.75
  5. Step 5: Solve for x
    x = 24,505,338,927.75/179,502.76
  6. Step 6: Final answer
    x = 136,517.89

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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.