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Finding the Fourth Proportional to 73,272.73, 109,905.67 and 30,560.52

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Solution

The fourth proportional to 73,272.73, 109,905.67 and 30,560.52 is: 45,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.73 : 109,905.67 = 30,560.52 : x
  2. Step 2: Convert to fraction form
    73,272.73/109,905.67 = 30,560.52/x
  3. Step 3: Cross multiply
    73,272.73x = 109,905.67 × 30,560.52
  4. Step 4: Simplify right side
    73,272.73x = 3,358,774,273.35
  5. Step 5: Solve for x
    x = 3,358,774,273.35/73,272.73
  6. Step 6: Final answer
    x = 45,839.35

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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.