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Finding the Fourth Proportional to 79,747.14, 110,051.16 and 43,448.40

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Solution

The fourth proportional to 79,747.14, 110,051.16 and 43,448.40 is: 59,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.14 : 110,051.16 = 43,448.40 : x
  2. Step 2: Convert to fraction form
    79,747.14/110,051.16 = 43,448.40/x
  3. Step 3: Cross multiply
    79,747.14x = 110,051.16 × 43,448.40
  4. Step 4: Simplify right side
    79,747.14x = 4,781,546,820.14
  5. Step 5: Solve for x
    x = 4,781,546,820.14/79,747.14
  6. Step 6: Final answer
    x = 59,958.85

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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.