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Finding the Fourth Proportional to 164,601.12, 246,862.80 and 75,799.20

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Solution

The fourth proportional to 164,601.12, 246,862.80 and 75,799.20 is: 113,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,601.12 : 246,862.80 = 75,799.20 : x
  2. Step 2: Convert to fraction form
    164,601.12/246,862.80 = 75,799.20/x
  3. Step 3: Cross multiply
    164,601.12x = 246,862.80 × 75,799.20
  4. Step 4: Simplify right side
    164,601.12x = 18,712,002,749.76
  5. Step 5: Solve for x
    x = 18,712,002,749.76/164,601.12
  6. Step 6: Final answer
    x = 113,680.90

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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.