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Finding the Fourth Proportional to 79,867.71, 110,222.28 and 44,057.61

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Solution

The fourth proportional to 79,867.71, 110,222.28 and 44,057.61 is: 60,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,867.71 : 110,222.28 = 44,057.61 : x
  2. Step 2: Convert to fraction form
    79,867.71/110,222.28 = 44,057.61/x
  3. Step 3: Cross multiply
    79,867.71x = 110,222.28 × 44,057.61
  4. Step 4: Simplify right side
    79,867.71x = 4,856,130,225.55
  5. Step 5: Solve for x
    x = 4,856,130,225.55/79,867.71
  6. Step 6: Final answer
    x = 60,802.17

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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.