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Finding the Fourth Proportional to 137,722.60, 206,583.90 and 95,732.20

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Solution

The fourth proportional to 137,722.60, 206,583.90 and 95,732.20 is: 143,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,722.60 : 206,583.90 = 95,732.20 : x
  2. Step 2: Convert to fraction form
    137,722.60/206,583.90 = 95,732.20/x
  3. Step 3: Cross multiply
    137,722.60x = 206,583.90 × 95,732.20
  4. Step 4: Simplify right side
    137,722.60x = 19,776,731,231.58
  5. Step 5: Solve for x
    x = 19,776,731,231.58/137,722.60
  6. Step 6: Final answer
    x = 143,598.30

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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.