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Finding the Fourth Proportional to 65,674.80, 98,447.40 and 26,179.20

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Solution

The fourth proportional to 65,674.80, 98,447.40 and 26,179.20 is: 39,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,674.80 : 98,447.40 = 26,179.20 : x
  2. Step 2: Convert to fraction form
    65,674.80/98,447.40 = 26,179.20/x
  3. Step 3: Cross multiply
    65,674.80x = 98,447.40 × 26,179.20
  4. Step 4: Simplify right side
    65,674.80x = 2,577,274,174.08
  5. Step 5: Solve for x
    x = 2,577,274,174.08/65,674.80
  6. Step 6: Final answer
    x = 39,242.97

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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.