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Finding the Fourth Proportional to 110,637.76, 165,957.78 and 27,531.76

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Solution

The fourth proportional to 110,637.76, 165,957.78 and 27,531.76 is: 41,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,637.76 : 165,957.78 = 27,531.76 : x
  2. Step 2: Convert to fraction form
    110,637.76/165,957.78 = 27,531.76/x
  3. Step 3: Cross multiply
    110,637.76x = 165,957.78 × 27,531.76
  4. Step 4: Simplify right side
    110,637.76x = 4,569,109,769.09
  5. Step 5: Solve for x
    x = 4,569,109,769.09/110,637.76
  6. Step 6: Final answer
    x = 41,297.92

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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.