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Finding the Fourth Proportional to 244,652.20, 366,891.90 and 86,885.80

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Solution

The fourth proportional to 244,652.20, 366,891.90 and 86,885.80 is: 130,298.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,652.20 : 366,891.90 = 86,885.80 : x
  2. Step 2: Convert to fraction form
    244,652.20/366,891.90 = 86,885.80/x
  3. Step 3: Cross multiply
    244,652.20x = 366,891.90 × 86,885.80
  4. Step 4: Simplify right side
    244,652.20x = 31,877,696,245.02
  5. Step 5: Solve for x
    x = 31,877,696,245.02/244,652.20
  6. Step 6: Final answer
    x = 130,298.02

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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.