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Finding the Fourth Proportional to 114,535.20, 171,932.40 and 67,814.40

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Solution

The fourth proportional to 114,535.20, 171,932.40 and 67,814.40 is: 101,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,535.20 : 171,932.40 = 67,814.40 : x
  2. Step 2: Convert to fraction form
    114,535.20/171,932.40 = 67,814.40/x
  3. Step 3: Cross multiply
    114,535.20x = 171,932.40 × 67,814.40
  4. Step 4: Simplify right side
    114,535.20x = 11,659,492,546.56
  5. Step 5: Solve for x
    x = 11,659,492,546.56/114,535.20
  6. Step 6: Final answer
    x = 101,798.33

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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.