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Finding the Fourth Proportional to 79,227, 118,758.60 and 26,618.76

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Solution

The fourth proportional to 79,227, 118,758.60 and 26,618.76 is: 39,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227 : 118,758.60 = 26,618.76 : x
  2. Step 2: Convert to fraction form
    79,227/118,758.60 = 26,618.76/x
  3. Step 3: Cross multiply
    79,227x = 118,758.60 × 26,618.76
  4. Step 4: Simplify right side
    79,227x = 3,161,206,671.34
  5. Step 5: Solve for x
    x = 3,161,206,671.34/79,227
  6. Step 6: Final answer
    x = 39,900.62

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1.5x scale

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.