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Finding the Fourth Proportional to 95,777.31, 143,520.16 and 45,788.70

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Solution

The fourth proportional to 95,777.31, 143,520.16 and 45,788.70 is: 68,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,777.31 : 143,520.16 = 45,788.70 : x
  2. Step 2: Convert to fraction form
    95,777.31/143,520.16 = 45,788.70/x
  3. Step 3: Cross multiply
    95,777.31x = 143,520.16 × 45,788.70
  4. Step 4: Simplify right side
    95,777.31x = 6,571,601,550.19
  5. Step 5: Solve for x
    x = 6,571,601,550.19/95,777.31
  6. Step 6: Final answer
    x = 68,613.34

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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.