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Finding the Fourth Proportional to 61,458.75, 84,811.68 and 34,234.65

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Solution

The fourth proportional to 61,458.75, 84,811.68 and 34,234.65 is: 47,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,458.75 : 84,811.68 = 34,234.65 : x
  2. Step 2: Convert to fraction form
    61,458.75/84,811.68 = 34,234.65/x
  3. Step 3: Cross multiply
    61,458.75x = 84,811.68 × 34,234.65
  4. Step 4: Simplify right side
    61,458.75x = 2,903,498,180.71
  5. Step 5: Solve for x
    x = 2,903,498,180.71/61,458.75
  6. Step 6: Final answer
    x = 47,243.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.