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Finding the Fourth Proportional to 65,540.80, 98,246.40 and 32,233.60

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Solution

The fourth proportional to 65,540.80, 98,246.40 and 32,233.60 is: 48,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,540.80 : 98,246.40 = 32,233.60 : x
  2. Step 2: Convert to fraction form
    65,540.80/98,246.40 = 32,233.60/x
  3. Step 3: Cross multiply
    65,540.80x = 98,246.40 × 32,233.60
  4. Step 4: Simplify right side
    65,540.80x = 3,166,835,159.04
  5. Step 5: Solve for x
    x = 3,166,835,159.04/65,540.80
  6. Step 6: Final answer
    x = 48,318.53

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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.