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Finding the Fourth Proportional to 179,338.88, 247,487.64 and 98,765.70

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Solution

The fourth proportional to 179,338.88, 247,487.64 and 98,765.70 is: 136,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,338.88 : 247,487.64 = 98,765.70 : x
  2. Step 2: Convert to fraction form
    179,338.88/247,487.64 = 98,765.70/x
  3. Step 3: Cross multiply
    179,338.88x = 247,487.64 × 98,765.70
  4. Step 4: Simplify right side
    179,338.88x = 24,443,290,005.95
  5. Step 5: Solve for x
    x = 24,443,290,005.95/179,338.88
  6. Step 6: Final answer
    x = 136,296.66

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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.