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Finding the Fourth Proportional to 110,387.91, 165,593.72 and 47,214.60

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Solution

The fourth proportional to 110,387.91, 165,593.72 and 47,214.60 is: 70,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,387.91 : 165,593.72 = 47,214.60 : x
  2. Step 2: Convert to fraction form
    110,387.91/165,593.72 = 47,214.60/x
  3. Step 3: Cross multiply
    110,387.91x = 165,593.72 × 47,214.60
  4. Step 4: Simplify right side
    110,387.91x = 7,818,441,016.24
  5. Step 5: Solve for x
    x = 7,818,441,016.24/110,387.91
  6. Step 6: Final answer
    x = 70,826.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.