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Finding the Fourth Proportional to 247,080.96, 367,442.81 and 239,207.76

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Solution

The fourth proportional to 247,080.96, 367,442.81 and 239,207.76 is: 355,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,080.96 : 367,442.81 = 239,207.76 : x
  2. Step 2: Convert to fraction form
    247,080.96/367,442.81 = 239,207.76/x
  3. Step 3: Cross multiply
    247,080.96x = 367,442.81 × 239,207.76
  4. Step 4: Simplify right side
    247,080.96x = 87,895,170,312.17
  5. Step 5: Solve for x
    x = 87,895,170,312.17/247,080.96
  6. Step 6: Final answer
    x = 355,734.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.