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Finding the Fourth Proportional to 65,239.33, 90,025.72 and 36,167.41

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Solution

The fourth proportional to 65,239.33, 90,025.72 and 36,167.41 is: 49,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239.33 : 90,025.72 = 36,167.41 : x
  2. Step 2: Convert to fraction form
    65,239.33/90,025.72 = 36,167.41/x
  3. Step 3: Cross multiply
    65,239.33x = 90,025.72 × 36,167.41
  4. Step 4: Simplify right side
    65,239.33x = 3,255,996,971.54
  5. Step 5: Solve for x
    x = 3,255,996,971.54/65,239.33
  6. Step 6: Final answer
    x = 49,908.50

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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.