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Finding the Fourth Proportional to 179,361.84, 247,516.78 and 98,789.52

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Solution

The fourth proportional to 179,361.84, 247,516.78 and 98,789.52 is: 136,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,361.84 : 247,516.78 = 98,789.52 : x
  2. Step 2: Convert to fraction form
    179,361.84/247,516.78 = 98,789.52/x
  3. Step 3: Cross multiply
    179,361.84x = 247,516.78 × 98,789.52
  4. Step 4: Simplify right side
    179,361.84x = 24,452,063,888.15
  5. Step 5: Solve for x
    x = 24,452,063,888.15/179,361.84
  6. Step 6: Final answer
    x = 136,328.13

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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.