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Finding the Fourth Proportional to 79,827.90, 110,161.83 and 44,019.42

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Solution

The fourth proportional to 79,827.90, 110,161.83 and 44,019.42 is: 60,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827.90 : 110,161.83 = 44,019.42 : x
  2. Step 2: Convert to fraction form
    79,827.90/110,161.83 = 44,019.42/x
  3. Step 3: Cross multiply
    79,827.90x = 110,161.83 × 44,019.42
  4. Step 4: Simplify right side
    79,827.90x = 4,849,259,862.74
  5. Step 5: Solve for x
    x = 4,849,259,862.74/79,827.90
  6. Step 6: Final answer
    x = 60,746.43

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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.