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Finding the Fourth Proportional to 79,205.67, 118,810.33 and 26,615.61

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Solution

The fourth proportional to 79,205.67, 118,810.33 and 26,615.61 is: 39,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,205.67 : 118,810.33 = 26,615.61 : x
  2. Step 2: Convert to fraction form
    79,205.67/118,810.33 = 26,615.61/x
  3. Step 3: Cross multiply
    79,205.67x = 118,810.33 × 26,615.61
  4. Step 4: Simplify right side
    79,205.67x = 3,162,209,340.71
  5. Step 5: Solve for x
    x = 3,162,209,340.71/79,205.67
  6. Step 6: Final answer
    x = 39,924.03

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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.