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Finding the Fourth Proportional to 118,067.80, 177,101.70 and 100,353.10

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Solution

The fourth proportional to 118,067.80, 177,101.70 and 100,353.10 is: 150,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,067.80 : 177,101.70 = 100,353.10 : x
  2. Step 2: Convert to fraction form
    118,067.80/177,101.70 = 100,353.10/x
  3. Step 3: Cross multiply
    118,067.80x = 177,101.70 × 100,353.10
  4. Step 4: Simplify right side
    118,067.80x = 17,772,704,610.27
  5. Step 5: Solve for x
    x = 17,772,704,610.27/118,067.80
  6. Step 6: Final answer
    x = 150,529.65

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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.