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Finding the Fourth Proportional to 73,305.76, 109,883.52 and 28,914.52

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Solution

The fourth proportional to 73,305.76, 109,883.52 and 28,914.52 is: 43,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.76 : 109,883.52 = 28,914.52 : x
  2. Step 2: Convert to fraction form
    73,305.76/109,883.52 = 28,914.52/x
  3. Step 3: Cross multiply
    73,305.76x = 109,883.52 × 28,914.52
  4. Step 4: Simplify right side
    73,305.76x = 3,177,229,236.71
  5. Step 5: Solve for x
    x = 3,177,229,236.71/73,305.76
  6. Step 6: Final answer
    x = 43,342.15

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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.