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Finding the Fourth Proportional to 79,046.48, 109,087.17 and 45,060.32

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Solution

The fourth proportional to 79,046.48, 109,087.17 and 45,060.32 is: 62,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046.48 : 109,087.17 = 45,060.32 : x
  2. Step 2: Convert to fraction form
    79,046.48/109,087.17 = 45,060.32/x
  3. Step 3: Cross multiply
    79,046.48x = 109,087.17 × 45,060.32
  4. Step 4: Simplify right side
    79,046.48x = 4,915,502,788.09
  5. Step 5: Solve for x
    x = 4,915,502,788.09/79,046.48
  6. Step 6: Final answer
    x = 62,184.97

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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.