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Finding the Fourth Proportional to 136,599.73, 204,881.13 and 36,765.91

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Solution

The fourth proportional to 136,599.73, 204,881.13 and 36,765.91 is: 55,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,599.73 : 204,881.13 = 36,765.91 : x
  2. Step 2: Convert to fraction form
    136,599.73/204,881.13 = 36,765.91/x
  3. Step 3: Cross multiply
    136,599.73x = 204,881.13 × 36,765.91
  4. Step 4: Simplify right side
    136,599.73x = 7,532,641,580.25
  5. Step 5: Solve for x
    x = 7,532,641,580.25/136,599.73
  6. Step 6: Final answer
    x = 55,143.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.