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Finding the Fourth Proportional to 144,974.59, 200,058.58 and 87,627.80

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Solution

The fourth proportional to 144,974.59, 200,058.58 and 87,627.80 is: 120,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.59 : 200,058.58 = 87,627.80 : x
  2. Step 2: Convert to fraction form
    144,974.59/200,058.58 = 87,627.80/x
  3. Step 3: Cross multiply
    144,974.59x = 200,058.58 × 87,627.80
  4. Step 4: Simplify right side
    144,974.59x = 17,530,693,236.52
  5. Step 5: Solve for x
    x = 17,530,693,236.52/144,974.59
  6. Step 6: Final answer
    x = 120,922.52

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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.