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Finding the Fourth Proportional to 179,593.56, 247,834.40 and 99,019.76

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Solution

The fourth proportional to 179,593.56, 247,834.40 and 99,019.76 is: 136,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,593.56 : 247,834.40 = 99,019.76 : x
  2. Step 2: Convert to fraction form
    179,593.56/247,834.40 = 99,019.76/x
  3. Step 3: Cross multiply
    179,593.56x = 247,834.40 × 99,019.76
  4. Step 4: Simplify right side
    179,593.56x = 24,540,501,073.47
  5. Step 5: Solve for x
    x = 24,540,501,073.47/179,593.56
  6. Step 6: Final answer
    x = 136,644.66

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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.