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Finding the Fourth Proportional to 95,859.74, 143,735.72 and 65,909.18

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Solution

The fourth proportional to 95,859.74, 143,735.72 and 65,909.18 is: 98,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,859.74 : 143,735.72 = 65,909.18 : x
  2. Step 2: Convert to fraction form
    95,859.74/143,735.72 = 65,909.18/x
  3. Step 3: Cross multiply
    95,859.74x = 143,735.72 × 65,909.18
  4. Step 4: Simplify right side
    95,859.74x = 9,473,503,441.91
  5. Step 5: Solve for x
    x = 9,473,503,441.91/95,859.74
  6. Step 6: Final answer
    x = 98,826.72

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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.