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Finding the Fourth Proportional to 79,985.16, 110,377.41 and 44,174.40

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Solution

The fourth proportional to 79,985.16, 110,377.41 and 44,174.40 is: 60,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,985.16 : 110,377.41 = 44,174.40 : x
  2. Step 2: Convert to fraction form
    79,985.16/110,377.41 = 44,174.40/x
  3. Step 3: Cross multiply
    79,985.16x = 110,377.41 × 44,174.40
  4. Step 4: Simplify right side
    79,985.16x = 4,875,855,860.30
  5. Step 5: Solve for x
    x = 4,875,855,860.30/79,985.16
  6. Step 6: Final answer
    x = 60,959.51

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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.