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Finding the Fourth Proportional to 91,736.78, 137,618.87 and 32,567.49

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Solution

The fourth proportional to 91,736.78, 137,618.87 and 32,567.49 is: 48,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,736.78 : 137,618.87 = 32,567.49 : x
  2. Step 2: Convert to fraction form
    91,736.78/137,618.87 = 32,567.49/x
  3. Step 3: Cross multiply
    91,736.78x = 137,618.87 × 32,567.49
  4. Step 4: Simplify right side
    91,736.78x = 4,481,901,009.70
  5. Step 5: Solve for x
    x = 4,481,901,009.70/91,736.78
  6. Step 6: Final answer
    x = 48,856.10

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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.