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Finding the Fourth Proportional to 103,672.65, 155,511.41 and 37,117.38

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Solution

The fourth proportional to 103,672.65, 155,511.41 and 37,117.38 is: 55,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.65 : 155,511.41 = 37,117.38 : x
  2. Step 2: Convert to fraction form
    103,672.65/155,511.41 = 37,117.38/x
  3. Step 3: Cross multiply
    103,672.65x = 155,511.41 × 37,117.38
  4. Step 4: Simplify right side
    103,672.65x = 5,772,175,913.72
  5. Step 5: Solve for x
    x = 5,772,175,913.72/103,672.65
  6. Step 6: Final answer
    x = 55,676.94

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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.