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Finding the Fourth Proportional to 179,708.88, 247,987.62 and 99,136.56

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Solution

The fourth proportional to 179,708.88, 247,987.62 and 99,136.56 is: 136,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,708.88 : 247,987.62 = 99,136.56 : x
  2. Step 2: Convert to fraction form
    179,708.88/247,987.62 = 99,136.56/x
  3. Step 3: Cross multiply
    179,708.88x = 247,987.62 × 99,136.56
  4. Step 4: Simplify right side
    179,708.88x = 24,584,639,569.39
  5. Step 5: Solve for x
    x = 24,584,639,569.39/179,708.88
  6. Step 6: Final answer
    x = 136,802.59

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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.