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Finding the Fourth Proportional to 79,955.66, 110,339.22 and 44,145.74

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Solution

The fourth proportional to 79,955.66, 110,339.22 and 44,145.74 is: 60,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,955.66 : 110,339.22 = 44,145.74 : x
  2. Step 2: Convert to fraction form
    79,955.66/110,339.22 = 44,145.74/x
  3. Step 3: Cross multiply
    79,955.66x = 110,339.22 × 44,145.74
  4. Step 4: Simplify right side
    79,955.66x = 4,871,006,517.92
  5. Step 5: Solve for x
    x = 4,871,006,517.92/79,955.66
  6. Step 6: Final answer
    x = 60,921.35

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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.