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Finding the Fourth Proportional to 95,261.85, 142,863.59 and 65,868.57

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Solution

The fourth proportional to 95,261.85, 142,863.59 and 65,868.57 is: 98,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,261.85 : 142,863.59 = 65,868.57 : x
  2. Step 2: Convert to fraction form
    95,261.85/142,863.59 = 65,868.57/x
  3. Step 3: Cross multiply
    95,261.85x = 142,863.59 × 65,868.57
  4. Step 4: Simplify right side
    95,261.85x = 9,410,220,049.02
  5. Step 5: Solve for x
    x = 9,410,220,049.02/95,261.85
  6. Step 6: Final answer
    x = 98,782.67

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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.