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Finding the Fourth Proportional to 247,343.88, 370,711.80 and 114,039.12

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Solution

The fourth proportional to 247,343.88, 370,711.80 and 114,039.12 is: 170,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,343.88 : 370,711.80 = 114,039.12 : x
  2. Step 2: Convert to fraction form
    247,343.88/370,711.80 = 114,039.12/x
  3. Step 3: Cross multiply
    247,343.88x = 370,711.80 × 114,039.12
  4. Step 4: Simplify right side
    247,343.88x = 42,275,647,445.62
  5. Step 5: Solve for x
    x = 42,275,647,445.62/247,343.88
  6. Step 6: Final answer
    x = 170,918.51

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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.