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Finding the Fourth Proportional to 94,648.40, 141,821.40 and 50,217.20

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Solution

The fourth proportional to 94,648.40, 141,821.40 and 50,217.20 is: 75,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,648.40 : 141,821.40 = 50,217.20 : x
  2. Step 2: Convert to fraction form
    94,648.40/141,821.40 = 50,217.20/x
  3. Step 3: Cross multiply
    94,648.40x = 141,821.40 × 50,217.20
  4. Step 4: Simplify right side
    94,648.40x = 7,121,873,608.08
  5. Step 5: Solve for x
    x = 7,121,873,608.08/94,648.40
  6. Step 6: Final answer
    x = 75,245.58

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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.