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Finding the Fourth Proportional to 179,309.55, 247,447.22 and 98,736.87

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Solution

The fourth proportional to 179,309.55, 247,447.22 and 98,736.87 is: 136,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,309.55 : 247,447.22 = 98,736.87 : x
  2. Step 2: Convert to fraction form
    179,309.55/247,447.22 = 98,736.87/x
  3. Step 3: Cross multiply
    179,309.55x = 247,447.22 × 98,736.87
  4. Step 4: Simplify right side
    179,309.55x = 24,432,163,499.32
  5. Step 5: Solve for x
    x = 24,432,163,499.32/179,309.55
  6. Step 6: Final answer
    x = 136,256.90

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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.