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Finding the Fourth Proportional to 63,872.41, 88,146.65 and 35,578.11

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Solution

The fourth proportional to 63,872.41, 88,146.65 and 35,578.11 is: 49,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,872.41 : 88,146.65 = 35,578.11 : x
  2. Step 2: Convert to fraction form
    63,872.41/88,146.65 = 35,578.11/x
  3. Step 3: Cross multiply
    63,872.41x = 88,146.65 × 35,578.11
  4. Step 4: Simplify right side
    63,872.41x = 3,136,091,031.94
  5. Step 5: Solve for x
    x = 3,136,091,031.94/63,872.41
  6. Step 6: Final answer
    x = 49,099.31

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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.