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Finding the Fourth Proportional to 84,618.66, 116,786.22 and 48,801.72

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Solution

The fourth proportional to 84,618.66, 116,786.22 and 48,801.72 is: 67,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.66 : 116,786.22 = 48,801.72 : x
  2. Step 2: Convert to fraction form
    84,618.66/116,786.22 = 48,801.72/x
  3. Step 3: Cross multiply
    84,618.66x = 116,786.22 × 48,801.72
  4. Step 4: Simplify right side
    84,618.66x = 5,699,368,408.30
  5. Step 5: Solve for x
    x = 5,699,368,408.30/84,618.66
  6. Step 6: Final answer
    x = 67,353.56

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1.5x scale

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.