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Finding the Fourth Proportional to 101,597.44, 152,629.76 and 71,680.52

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Solution

The fourth proportional to 101,597.44, 152,629.76 and 71,680.52 is: 107,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.44 : 152,629.76 = 71,680.52 : x
  2. Step 2: Convert to fraction form
    101,597.44/152,629.76 = 71,680.52/x
  3. Step 3: Cross multiply
    101,597.44x = 152,629.76 × 71,680.52
  4. Step 4: Simplify right side
    101,597.44x = 10,940,580,564.28
  5. Step 5: Solve for x
    x = 10,940,580,564.28/101,597.44
  6. Step 6: Final answer
    x = 107,685.59

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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.