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Finding the Fourth Proportional to 269,435.20, 404,114.40 and 91,950.40

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Solution

The fourth proportional to 269,435.20, 404,114.40 and 91,950.40 is: 137,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,435.20 : 404,114.40 = 91,950.40 : x
  2. Step 2: Convert to fraction form
    269,435.20/404,114.40 = 91,950.40/x
  3. Step 3: Cross multiply
    269,435.20x = 404,114.40 × 91,950.40
  4. Step 4: Simplify right side
    269,435.20x = 37,158,480,725.76
  5. Step 5: Solve for x
    x = 37,158,480,725.76/269,435.20
  6. Step 6: Final answer
    x = 137,912.50

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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.