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Finding the Fourth Proportional to 69,671.88, 96,147.90 and 37,841.40

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Solution

The fourth proportional to 69,671.88, 96,147.90 and 37,841.40 is: 52,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.88 : 96,147.90 = 37,841.40 : x
  2. Step 2: Convert to fraction form
    69,671.88/96,147.90 = 37,841.40/x
  3. Step 3: Cross multiply
    69,671.88x = 96,147.90 × 37,841.40
  4. Step 4: Simplify right side
    69,671.88x = 3,638,371,143.06
  5. Step 5: Solve for x
    x = 3,638,371,143.06/69,671.88
  6. Step 6: Final answer
    x = 52,221.52

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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.