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Finding the Fourth Proportional to 235,834.67, 353,702.39 and 75,924.90

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Solution

The fourth proportional to 235,834.67, 353,702.39 and 75,924.90 is: 113,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,834.67 : 353,702.39 = 75,924.90 : x
  2. Step 2: Convert to fraction form
    235,834.67/353,702.39 = 75,924.90/x
  3. Step 3: Cross multiply
    235,834.67x = 353,702.39 × 75,924.90
  4. Step 4: Simplify right side
    235,834.67x = 26,854,818,780.32
  5. Step 5: Solve for x
    x = 26,854,818,780.32/235,834.67
  6. Step 6: Final answer
    x = 113,871.38

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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.