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Finding the Fourth Proportional to 244,101.60, 365,885.10 and 86,248.80

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Solution

The fourth proportional to 244,101.60, 365,885.10 and 86,248.80 is: 129,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,101.60 : 365,885.10 = 86,248.80 : x
  2. Step 2: Convert to fraction form
    244,101.60/365,885.10 = 86,248.80/x
  3. Step 3: Cross multiply
    244,101.60x = 365,885.10 × 86,248.80
  4. Step 4: Simplify right side
    244,101.60x = 31,557,150,812.88
  5. Step 5: Solve for x
    x = 31,557,150,812.88/244,101.60
  6. Step 6: Final answer
    x = 129,278.75

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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.