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Finding the Fourth Proportional to 242,043.40, 363,410.70 and 137,067.40

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Solution

The fourth proportional to 242,043.40, 363,410.70 and 137,067.40 is: 205,796.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,043.40 : 363,410.70 = 137,067.40 : x
  2. Step 2: Convert to fraction form
    242,043.40/363,410.70 = 137,067.40/x
  3. Step 3: Cross multiply
    242,043.40x = 363,410.70 × 137,067.40
  4. Step 4: Simplify right side
    242,043.40x = 49,811,759,781.18
  5. Step 5: Solve for x
    x = 49,811,759,781.18/242,043.40
  6. Step 6: Final answer
    x = 205,796.81

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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.