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Finding the Fourth Proportional to 98,236.80, 147,370.08 and 50,179.02

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Solution

The fourth proportional to 98,236.80, 147,370.08 and 50,179.02 is: 75,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,236.80 : 147,370.08 = 50,179.02 : x
  2. Step 2: Convert to fraction form
    98,236.80/147,370.08 = 50,179.02/x
  3. Step 3: Cross multiply
    98,236.80x = 147,370.08 × 50,179.02
  4. Step 4: Simplify right side
    98,236.80x = 7,394,886,191.72
  5. Step 5: Solve for x
    x = 7,394,886,191.72/98,236.80
  6. Step 6: Final answer
    x = 75,276.13

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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.