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Finding the Fourth Proportional to 79,872.25, 110,223.71 and 44,544.25

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Solution

The fourth proportional to 79,872.25, 110,223.71 and 44,544.25 is: 61,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872.25 : 110,223.71 = 44,544.25 : x
  2. Step 2: Convert to fraction form
    79,872.25/110,223.71 = 44,544.25/x
  3. Step 3: Cross multiply
    79,872.25x = 110,223.71 × 44,544.25
  4. Step 4: Simplify right side
    79,872.25x = 4,909,832,271.45
  5. Step 5: Solve for x
    x = 4,909,832,271.45/79,872.25
  6. Step 6: Final answer
    x = 61,471.07

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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.