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Finding the Fourth Proportional to 103,693.26, 155,532.60 and 59,180.52

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Solution

The fourth proportional to 103,693.26, 155,532.60 and 59,180.52 is: 88,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.26 : 155,532.60 = 59,180.52 : x
  2. Step 2: Convert to fraction form
    103,693.26/155,532.60 = 59,180.52/x
  3. Step 3: Cross multiply
    103,693.26x = 155,532.60 × 59,180.52
  4. Step 4: Simplify right side
    103,693.26x = 9,204,500,144.95
  5. Step 5: Solve for x
    x = 9,204,500,144.95/103,693.26
  6. Step 6: Final answer
    x = 88,766.62

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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.