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Finding the Fourth Proportional to 73,392.81, 110,132.95 and 26,649.33

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Solution

The fourth proportional to 73,392.81, 110,132.95 and 26,649.33 is: 39,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,392.81 : 110,132.95 = 26,649.33 : x
  2. Step 2: Convert to fraction form
    73,392.81/110,132.95 = 26,649.33/x
  3. Step 3: Cross multiply
    73,392.81x = 110,132.95 × 26,649.33
  4. Step 4: Simplify right side
    73,392.81x = 2,934,969,328.42
  5. Step 5: Solve for x
    x = 2,934,969,328.42/73,392.81
  6. Step 6: Final answer
    x = 39,989.88

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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.