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Finding the Fourth Proportional to 96,798.60, 145,198.98 and 30,233.88

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Solution

The fourth proportional to 96,798.60, 145,198.98 and 30,233.88 is: 45,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,798.60 : 145,198.98 = 30,233.88 : x
  2. Step 2: Convert to fraction form
    96,798.60/145,198.98 = 30,233.88/x
  3. Step 3: Cross multiply
    96,798.60x = 145,198.98 × 30,233.88
  4. Step 4: Simplify right side
    96,798.60x = 4,389,928,537.44
  5. Step 5: Solve for x
    x = 4,389,928,537.44/96,798.60
  6. Step 6: Final answer
    x = 45,351.16

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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.