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Finding the Fourth Proportional to 144,949.50, 200,052.18 and 88,393.68

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Solution

The fourth proportional to 144,949.50, 200,052.18 and 88,393.68 is: 121,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,949.50 : 200,052.18 = 88,393.68 : x
  2. Step 2: Convert to fraction form
    144,949.50/200,052.18 = 88,393.68/x
  3. Step 3: Cross multiply
    144,949.50x = 200,052.18 × 88,393.68
  4. Step 4: Simplify right side
    144,949.50x = 17,683,348,382.22
  5. Step 5: Solve for x
    x = 17,683,348,382.22/144,949.50
  6. Step 6: Final answer
    x = 121,996.62

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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.