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Finding the Fourth Proportional to 96,311.80, 144,321.90 and 65,110.60

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Solution

The fourth proportional to 96,311.80, 144,321.90 and 65,110.60 is: 97,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,311.80 : 144,321.90 = 65,110.60 : x
  2. Step 2: Convert to fraction form
    96,311.80/144,321.90 = 65,110.60/x
  3. Step 3: Cross multiply
    96,311.80x = 144,321.90 × 65,110.60
  4. Step 4: Simplify right side
    96,311.80x = 9,396,885,502.14
  5. Step 5: Solve for x
    x = 9,396,885,502.14/96,311.80
  6. Step 6: Final answer
    x = 97,567.33

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1.5x scale

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.