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Finding the Fourth Proportional to 65,876.20, 98,814.30 and 48,164.20

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Solution

The fourth proportional to 65,876.20, 98,814.30 and 48,164.20 is: 72,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.20 : 98,814.30 = 48,164.20 : x
  2. Step 2: Convert to fraction form
    65,876.20/98,814.30 = 48,164.20/x
  3. Step 3: Cross multiply
    65,876.20x = 98,814.30 × 48,164.20
  4. Step 4: Simplify right side
    65,876.20x = 4,759,311,708.06
  5. Step 5: Solve for x
    x = 4,759,311,708.06/65,876.20
  6. Step 6: Final answer
    x = 72,246.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.