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Finding the Fourth Proportional to 234,561.39, 351,833.27 and 68,345.07

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Solution

The fourth proportional to 234,561.39, 351,833.27 and 68,345.07 is: 102,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,561.39 : 351,833.27 = 68,345.07 : x
  2. Step 2: Convert to fraction form
    234,561.39/351,833.27 = 68,345.07/x
  3. Step 3: Cross multiply
    234,561.39x = 351,833.27 × 68,345.07
  4. Step 4: Simplify right side
    234,561.39x = 24,046,069,124.75
  5. Step 5: Solve for x
    x = 24,046,069,124.75/234,561.39
  6. Step 6: Final answer
    x = 102,515.04

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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.