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Finding the Fourth Proportional to 73,159.90, 109,743.66 and 23,243.92

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Solution

The fourth proportional to 73,159.90, 109,743.66 and 23,243.92 is: 34,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,159.90 : 109,743.66 = 23,243.92 : x
  2. Step 2: Convert to fraction form
    73,159.90/109,743.66 = 23,243.92/x
  3. Step 3: Cross multiply
    73,159.90x = 109,743.66 × 23,243.92
  4. Step 4: Simplify right side
    73,159.90x = 2,550,872,853.55
  5. Step 5: Solve for x
    x = 2,550,872,853.55/73,159.90
  6. Step 6: Final answer
    x = 34,867.09

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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.