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Finding the Fourth Proportional to 65,661.72, 98,259.24 and 48,087.96

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Solution

The fourth proportional to 65,661.72, 98,259.24 and 48,087.96 is: 71,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661.72 : 98,259.24 = 48,087.96 : x
  2. Step 2: Convert to fraction form
    65,661.72/98,259.24 = 48,087.96/x
  3. Step 3: Cross multiply
    65,661.72x = 98,259.24 × 48,087.96
  4. Step 4: Simplify right side
    65,661.72x = 4,725,086,402.75
  5. Step 5: Solve for x
    x = 4,725,086,402.75/65,661.72
  6. Step 6: Final answer
    x = 71,961.05

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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.