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Finding the Fourth Proportional to 98,524.32, 147,845.36 and 36,201.12

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Solution

The fourth proportional to 98,524.32, 147,845.36 and 36,201.12 is: 54,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,524.32 : 147,845.36 = 36,201.12 : x
  2. Step 2: Convert to fraction form
    98,524.32/147,845.36 = 36,201.12/x
  3. Step 3: Cross multiply
    98,524.32x = 147,845.36 × 36,201.12
  4. Step 4: Simplify right side
    98,524.32x = 5,352,167,618.80
  5. Step 5: Solve for x
    x = 5,352,167,618.80/98,524.32
  6. Step 6: Final answer
    x = 54,323.31

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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.