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Finding the Fourth Proportional to 235,876.26, 353,815.61 and 67,416.51

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Solution

The fourth proportional to 235,876.26, 353,815.61 and 67,416.51 is: 101,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,876.26 : 353,815.61 = 67,416.51 : x
  2. Step 2: Convert to fraction form
    235,876.26/353,815.61 = 67,416.51/x
  3. Step 3: Cross multiply
    235,876.26x = 353,815.61 × 67,416.51
  4. Step 4: Simplify right side
    235,876.26x = 23,853,013,272.64
  5. Step 5: Solve for x
    x = 23,853,013,272.64/235,876.26
  6. Step 6: Final answer
    x = 101,125.11

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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.