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Finding the Fourth Proportional to 79,614.75, 109,867.74 and 45,166.06

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Solution

The fourth proportional to 79,614.75, 109,867.74 and 45,166.06 is: 62,328.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614.75 : 109,867.74 = 45,166.06 : x
  2. Step 2: Convert to fraction form
    79,614.75/109,867.74 = 45,166.06/x
  3. Step 3: Cross multiply
    79,614.75x = 109,867.74 × 45,166.06
  4. Step 4: Simplify right side
    79,614.75x = 4,962,292,540.92
  5. Step 5: Solve for x
    x = 4,962,292,540.92/79,614.75
  6. Step 6: Final answer
    x = 62,328.81

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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.