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Finding the Fourth Proportional to 179,551.82, 247,782.29 and 98,977.61

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Solution

The fourth proportional to 179,551.82, 247,782.29 and 98,977.61 is: 136,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,551.82 : 247,782.29 = 98,977.61 : x
  2. Step 2: Convert to fraction form
    179,551.82/247,782.29 = 98,977.61/x
  3. Step 3: Cross multiply
    179,551.82x = 247,782.29 × 98,977.61
  4. Step 4: Simplify right side
    179,551.82x = 24,524,898,864.53
  5. Step 5: Solve for x
    x = 24,524,898,864.53/179,551.82
  6. Step 6: Final answer
    x = 136,589.53

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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.