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Finding the Fourth Proportional to 95,770.70, 143,315.85 and 83,426.30

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Solution

The fourth proportional to 95,770.70, 143,315.85 and 83,426.30 is: 124,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,770.70 : 143,315.85 = 83,426.30 : x
  2. Step 2: Convert to fraction form
    95,770.70/143,315.85 = 83,426.30/x
  3. Step 3: Cross multiply
    95,770.70x = 143,315.85 × 83,426.30
  4. Step 4: Simplify right side
    95,770.70x = 11,956,311,096.86
  5. Step 5: Solve for x
    x = 11,956,311,096.86/95,770.70
  6. Step 6: Final answer
    x = 124,843.10

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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.