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Finding the Fourth Proportional to 79,146.48, 118,767.48 and 41,734.20

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Solution

The fourth proportional to 79,146.48, 118,767.48 and 41,734.20 is: 62,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,146.48 : 118,767.48 = 41,734.20 : x
  2. Step 2: Convert to fraction form
    79,146.48/118,767.48 = 41,734.20/x
  3. Step 3: Cross multiply
    79,146.48x = 118,767.48 × 41,734.20
  4. Step 4: Simplify right side
    79,146.48x = 4,956,665,763.82
  5. Step 5: Solve for x
    x = 4,956,665,763.82/79,146.48
  6. Step 6: Final answer
    x = 62,626.48

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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.