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Finding the Fourth Proportional to 270,269.64, 405,288.90 and 92,794.59

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Solution

The fourth proportional to 270,269.64, 405,288.90 and 92,794.59 is: 139,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,269.64 : 405,288.90 = 92,794.59 : x
  2. Step 2: Convert to fraction form
    270,269.64/405,288.90 = 92,794.59/x
  3. Step 3: Cross multiply
    270,269.64x = 405,288.90 × 92,794.59
  4. Step 4: Simplify right side
    270,269.64x = 37,608,617,307.05
  5. Step 5: Solve for x
    x = 37,608,617,307.05/270,269.64
  6. Step 6: Final answer
    x = 139,152.21

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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.