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Finding the Fourth Proportional to 56,758, 78,195.63 and 44,816.98

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Solution

The fourth proportional to 56,758, 78,195.63 and 44,816.98 is: 61,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,758 : 78,195.63 = 44,816.98 : x
  2. Step 2: Convert to fraction form
    56,758/78,195.63 = 44,816.98/x
  3. Step 3: Cross multiply
    56,758x = 78,195.63 × 44,816.98
  4. Step 4: Simplify right side
    56,758x = 3,504,491,985.80
  5. Step 5: Solve for x
    x = 3,504,491,985.80/56,758
  6. Step 6: Final answer
    x = 61,744.46

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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.