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Finding the Fourth Proportional to 66,875.96, 100,318.78 and 22,502.52

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Solution

The fourth proportional to 66,875.96, 100,318.78 and 22,502.52 is: 33,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.96 : 100,318.78 = 22,502.52 : x
  2. Step 2: Convert to fraction form
    66,875.96/100,318.78 = 22,502.52/x
  3. Step 3: Cross multiply
    66,875.96x = 100,318.78 × 22,502.52
  4. Step 4: Simplify right side
    66,875.96x = 2,257,425,353.33
  5. Step 5: Solve for x
    x = 2,257,425,353.33/66,875.96
  6. Step 6: Final answer
    x = 33,755.41

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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.