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Finding the Fourth Proportional to 64,137.65, 88,515.41 and 37,278.44

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Solution

The fourth proportional to 64,137.65, 88,515.41 and 37,278.44 is: 51,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.65 : 88,515.41 = 37,278.44 : x
  2. Step 2: Convert to fraction form
    64,137.65/88,515.41 = 37,278.44/x
  3. Step 3: Cross multiply
    64,137.65x = 88,515.41 × 37,278.44
  4. Step 4: Simplify right side
    64,137.65x = 3,299,716,333.04
  5. Step 5: Solve for x
    x = 3,299,716,333.04/64,137.65
  6. Step 6: Final answer
    x = 51,447.42

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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.