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Finding the Fourth Proportional to 269,529.70, 404,330.55 and 91,992.10

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Solution

The fourth proportional to 269,529.70, 404,330.55 and 91,992.10 is: 138,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,529.70 : 404,330.55 = 91,992.10 : x
  2. Step 2: Convert to fraction form
    269,529.70/404,330.55 = 91,992.10/x
  3. Step 3: Cross multiply
    269,529.70x = 404,330.55 × 91,992.10
  4. Step 4: Simplify right side
    269,529.70x = 37,195,216,388.66
  5. Step 5: Solve for x
    x = 37,195,216,388.66/269,529.70
  6. Step 6: Final answer
    x = 138,000.44

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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.