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Finding the Fourth Proportional to 80,086.74, 110,510.10 and 44,271.90

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Solution

The fourth proportional to 80,086.74, 110,510.10 and 44,271.90 is: 61,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,086.74 : 110,510.10 = 44,271.90 : x
  2. Step 2: Convert to fraction form
    80,086.74/110,510.10 = 44,271.90/x
  3. Step 3: Cross multiply
    80,086.74x = 110,510.10 × 44,271.90
  4. Step 4: Simplify right side
    80,086.74x = 4,892,492,096.19
  5. Step 5: Solve for x
    x = 4,892,492,096.19/80,086.74
  6. Step 6: Final answer
    x = 61,089.91

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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.