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Finding the Fourth Proportional to 79,891.64, 110,254.02 and 44,081.72

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Solution

The fourth proportional to 79,891.64, 110,254.02 and 44,081.72 is: 60,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,891.64 : 110,254.02 = 44,081.72 : x
  2. Step 2: Convert to fraction form
    79,891.64/110,254.02 = 44,081.72/x
  3. Step 3: Cross multiply
    79,891.64x = 110,254.02 × 44,081.72
  4. Step 4: Simplify right side
    79,891.64x = 4,860,186,838.51
  5. Step 5: Solve for x
    x = 4,860,186,838.51/79,891.64
  6. Step 6: Final answer
    x = 60,834.74

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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.