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Finding the Fourth Proportional to 69,080.78, 103,621.18 and 24,704.84

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Solution

The fourth proportional to 69,080.78, 103,621.18 and 24,704.84 is: 37,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,080.78 : 103,621.18 = 24,704.84 : x
  2. Step 2: Convert to fraction form
    69,080.78/103,621.18 = 24,704.84/x
  3. Step 3: Cross multiply
    69,080.78x = 103,621.18 × 24,704.84
  4. Step 4: Simplify right side
    69,080.78x = 2,559,944,672.51
  5. Step 5: Solve for x
    x = 2,559,944,672.51/69,080.78
  6. Step 6: Final answer
    x = 37,057.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.