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Finding the Fourth Proportional to 270,005.41, 405,065.40 and 92,464.75

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Solution

The fourth proportional to 270,005.41, 405,065.40 and 92,464.75 is: 138,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,005.41 : 405,065.40 = 92,464.75 : x
  2. Step 2: Convert to fraction form
    270,005.41/405,065.40 = 92,464.75/x
  3. Step 3: Cross multiply
    270,005.41x = 405,065.40 × 92,464.75
  4. Step 4: Simplify right side
    270,005.41x = 37,454,270,944.65
  5. Step 5: Solve for x
    x = 37,454,270,944.65/270,005.41
  6. Step 6: Final answer
    x = 138,716.74

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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.