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Finding the Fourth Proportional to 80,357.02, 110,885.22 and 44,543.98

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Solution

The fourth proportional to 80,357.02, 110,885.22 and 44,543.98 is: 61,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357.02 : 110,885.22 = 44,543.98 : x
  2. Step 2: Convert to fraction form
    80,357.02/110,885.22 = 44,543.98/x
  3. Step 3: Cross multiply
    80,357.02x = 110,885.22 × 44,543.98
  4. Step 4: Simplify right side
    80,357.02x = 4,939,269,021.98
  5. Step 5: Solve for x
    x = 4,939,269,021.98/80,357.02
  6. Step 6: Final answer
    x = 61,466.55

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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.