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Finding the Fourth Proportional to 110,437.28, 165,506.80 and 79,204

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Solution

The fourth proportional to 110,437.28, 165,506.80 and 79,204 is: 118,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,437.28 : 165,506.80 = 79,204 : x
  2. Step 2: Convert to fraction form
    110,437.28/165,506.80 = 79,204/x
  3. Step 3: Cross multiply
    110,437.28x = 165,506.80 × 79,204
  4. Step 4: Simplify right side
    110,437.28x = 13,108,800,587.20
  5. Step 5: Solve for x
    x = 13,108,800,587.20/110,437.28
  6. Step 6: Final answer
    x = 118,699.05

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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.