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Finding the Fourth Proportional to 73,114.52, 100,867.95 and 49,248.88

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Solution

The fourth proportional to 73,114.52, 100,867.95 and 49,248.88 is: 67,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,114.52 : 100,867.95 = 49,248.88 : x
  2. Step 2: Convert to fraction form
    73,114.52/100,867.95 = 49,248.88/x
  3. Step 3: Cross multiply
    73,114.52x = 100,867.95 × 49,248.88
  4. Step 4: Simplify right side
    73,114.52x = 4,967,633,313.23
  5. Step 5: Solve for x
    x = 4,967,633,313.23/73,114.52
  6. Step 6: Final answer
    x = 67,943.19

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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.