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Finding the Fourth Proportional to 80,079.78, 110,501.64 and 44,264.01

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Solution

The fourth proportional to 80,079.78, 110,501.64 and 44,264.01 is: 61,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,079.78 : 110,501.64 = 44,264.01 : x
  2. Step 2: Convert to fraction form
    80,079.78/110,501.64 = 44,264.01/x
  3. Step 3: Cross multiply
    80,079.78x = 110,501.64 × 44,264.01
  4. Step 4: Simplify right side
    80,079.78x = 4,891,245,697.98
  5. Step 5: Solve for x
    x = 4,891,245,697.98/80,079.78
  6. Step 6: Final answer
    x = 61,079.66

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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.