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Finding the Fourth Proportional to 79,046.12, 109,087.14 and 45,522.92

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Solution

The fourth proportional to 79,046.12, 109,087.14 and 45,522.92 is: 62,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.12 : 109,087.14 = 45,522.92 : x
  2. Step 2: Convert to fraction form
    79,046.12/109,087.14 = 45,522.92/x
  3. Step 3: Cross multiply
    79,046.12x = 109,087.14 × 45,522.92
  4. Step 4: Simplify right side
    79,046.12x = 4,965,965,147.25
  5. Step 5: Solve for x
    x = 4,965,965,147.25/79,046.12
  6. Step 6: Final answer
    x = 62,823.64

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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.