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Finding the Fourth Proportional to 79,767.19, 110,079.45 and 43,958.48

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Solution

The fourth proportional to 79,767.19, 110,079.45 and 43,958.48 is: 60,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.19 : 110,079.45 = 43,958.48 : x
  2. Step 2: Convert to fraction form
    79,767.19/110,079.45 = 43,958.48/x
  3. Step 3: Cross multiply
    79,767.19x = 110,079.45 × 43,958.48
  4. Step 4: Simplify right side
    79,767.19x = 4,838,925,081.44
  5. Step 5: Solve for x
    x = 4,838,925,081.44/79,767.19
  6. Step 6: Final answer
    x = 60,663.10

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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.