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Finding the Fourth Proportional to 243,575.22, 365,694.15 and 137,034.15

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Solution

The fourth proportional to 243,575.22, 365,694.15 and 137,034.15 is: 205,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,575.22 : 365,694.15 = 137,034.15 : x
  2. Step 2: Convert to fraction form
    243,575.22/365,694.15 = 137,034.15/x
  3. Step 3: Cross multiply
    243,575.22x = 365,694.15 × 137,034.15
  4. Step 4: Simplify right side
    243,575.22x = 50,112,587,005.22
  5. Step 5: Solve for x
    x = 50,112,587,005.22/243,575.22
  6. Step 6: Final answer
    x = 205,737.62

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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.