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Finding the Fourth Proportional to 65,414.30, 98,230.80 and 43,325.60

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Solution

The fourth proportional to 65,414.30, 98,230.80 and 43,325.60 is: 65,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.30 : 98,230.80 = 43,325.60 : x
  2. Step 2: Convert to fraction form
    65,414.30/98,230.80 = 43,325.60/x
  3. Step 3: Cross multiply
    65,414.30x = 98,230.80 × 43,325.60
  4. Step 4: Simplify right side
    65,414.30x = 4,255,908,348.48
  5. Step 5: Solve for x
    x = 4,255,908,348.48/65,414.30
  6. Step 6: Final answer
    x = 65,060.83

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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.