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Finding the Fourth Proportional to 69,672.38, 96,148.60 and 37,841.90

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Solution

The fourth proportional to 69,672.38, 96,148.60 and 37,841.90 is: 52,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.38 : 96,148.60 = 37,841.90 : x
  2. Step 2: Convert to fraction form
    69,672.38/96,148.60 = 37,841.90/x
  3. Step 3: Cross multiply
    69,672.38x = 96,148.60 × 37,841.90
  4. Step 4: Simplify right side
    69,672.38x = 3,638,445,706.34
  5. Step 5: Solve for x
    x = 3,638,445,706.34/69,672.38
  6. Step 6: Final answer
    x = 52,222.21

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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.