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Finding the Fourth Proportional to 80,386.74, 110,933.06 and 44,576.87

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Solution

The fourth proportional to 80,386.74, 110,933.06 and 44,576.87 is: 61,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,386.74 : 110,933.06 = 44,576.87 : x
  2. Step 2: Convert to fraction form
    80,386.74/110,933.06 = 44,576.87/x
  3. Step 3: Cross multiply
    80,386.74x = 110,933.06 × 44,576.87
  4. Step 4: Simplify right side
    80,386.74x = 4,945,047,816.77
  5. Step 5: Solve for x
    x = 4,945,047,816.77/80,386.74
  6. Step 6: Final answer
    x = 61,515.72

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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.