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Finding the Fourth Proportional to 270,921.66, 373,855.41 and 150,055.76

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Solution

The fourth proportional to 270,921.66, 373,855.41 and 150,055.76 is: 207,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,921.66 : 373,855.41 = 150,055.76 : x
  2. Step 2: Convert to fraction form
    270,921.66/373,855.41 = 150,055.76/x
  3. Step 3: Cross multiply
    270,921.66x = 373,855.41 × 150,055.76
  4. Step 4: Simplify right side
    270,921.66x = 56,099,155,808.38
  5. Step 5: Solve for x
    x = 56,099,155,808.38/270,921.66
  6. Step 6: Final answer
    x = 207,067.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.