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Finding the Fourth Proportional to 73,821.52, 101,873.76 and 40,287.52

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Solution

The fourth proportional to 73,821.52, 101,873.76 and 40,287.52 is: 55,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.52 : 101,873.76 = 40,287.52 : x
  2. Step 2: Convert to fraction form
    73,821.52/101,873.76 = 40,287.52/x
  3. Step 3: Cross multiply
    73,821.52x = 101,873.76 × 40,287.52
  4. Step 4: Simplify right side
    73,821.52x = 4,104,241,143.48
  5. Step 5: Solve for x
    x = 4,104,241,143.48/73,821.52
  6. Step 6: Final answer
    x = 55,596.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.