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Finding the Fourth Proportional to 114,682.40, 171,994.80 and 40,793.12

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Solution

The fourth proportional to 114,682.40, 171,994.80 and 40,793.12 is: 61,179.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,682.40 : 171,994.80 = 40,793.12 : x
  2. Step 2: Convert to fraction form
    114,682.40/171,994.80 = 40,793.12/x
  3. Step 3: Cross multiply
    114,682.40x = 171,994.80 × 40,793.12
  4. Step 4: Simplify right side
    114,682.40x = 7,016,204,515.78
  5. Step 5: Solve for x
    x = 7,016,204,515.78/114,682.40
  6. Step 6: Final answer
    x = 61,179.44

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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.