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Finding the Fourth Proportional to 235,406.67, 353,060.19 and 77,597.61

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Solution

The fourth proportional to 235,406.67, 353,060.19 and 77,597.61 is: 116,379.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,406.67 : 353,060.19 = 77,597.61 : x
  2. Step 2: Convert to fraction form
    235,406.67/353,060.19 = 77,597.61/x
  3. Step 3: Cross multiply
    235,406.67x = 353,060.19 × 77,597.61
  4. Step 4: Simplify right side
    235,406.67x = 27,396,626,930.15
  5. Step 5: Solve for x
    x = 27,396,626,930.15/235,406.67
  6. Step 6: Final answer
    x = 116,379.99

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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.