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Finding the Fourth Proportional to 179,412.25, 247,600.25 and 98,839.93

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Solution

The fourth proportional to 179,412.25, 247,600.25 and 98,839.93 is: 136,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,412.25 : 247,600.25 = 98,839.93 : x
  2. Step 2: Convert to fraction form
    179,412.25/247,600.25 = 98,839.93/x
  3. Step 3: Cross multiply
    179,412.25x = 247,600.25 × 98,839.93
  4. Step 4: Simplify right side
    179,412.25x = 24,472,790,883.78
  5. Step 5: Solve for x
    x = 24,472,790,883.78/179,412.25
  6. Step 6: Final answer
    x = 136,405.35

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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.