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Finding the Fourth Proportional to 92,632.83, 138,948.84 and 22,512.75

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Solution

The fourth proportional to 92,632.83, 138,948.84 and 22,512.75 is: 33,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,632.83 : 138,948.84 = 22,512.75 : x
  2. Step 2: Convert to fraction form
    92,632.83/138,948.84 = 22,512.75/x
  3. Step 3: Cross multiply
    92,632.83x = 138,948.84 × 22,512.75
  4. Step 4: Simplify right side
    92,632.83x = 3,128,120,497.71
  5. Step 5: Solve for x
    x = 3,128,120,497.71/92,632.83
  6. Step 6: Final answer
    x = 33,769.03

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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.