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Finding the Fourth Proportional to 238,335.80, 357,552.72 and 69,861.56

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Solution

The fourth proportional to 238,335.80, 357,552.72 and 69,861.56 is: 104,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,335.80 : 357,552.72 = 69,861.56 : x
  2. Step 2: Convert to fraction form
    238,335.80/357,552.72 = 69,861.56/x
  3. Step 3: Cross multiply
    238,335.80x = 357,552.72 × 69,861.56
  4. Step 4: Simplify right side
    238,335.80x = 24,979,190,801.44
  5. Step 5: Solve for x
    x = 24,979,190,801.44/238,335.80
  6. Step 6: Final answer
    x = 104,806.71

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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.