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Finding the Fourth Proportional to 235,762.68, 325,335.18 and 140,251.56

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Solution

The fourth proportional to 235,762.68, 325,335.18 and 140,251.56 is: 193,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,762.68 : 325,335.18 = 140,251.56 : x
  2. Step 2: Convert to fraction form
    235,762.68/325,335.18 = 140,251.56/x
  3. Step 3: Cross multiply
    235,762.68x = 325,335.18 × 140,251.56
  4. Step 4: Simplify right side
    235,762.68x = 45,628,766,517.88
  5. Step 5: Solve for x
    x = 45,628,766,517.88/235,762.68
  6. Step 6: Final answer
    x = 193,536.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.