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Finding the Fourth Proportional to 269,904.28, 404,585.50 and 92,289.80

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Solution

The fourth proportional to 269,904.28, 404,585.50 and 92,289.80 is: 138,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,904.28 : 404,585.50 = 92,289.80 : x
  2. Step 2: Convert to fraction form
    269,904.28/404,585.50 = 92,289.80/x
  3. Step 3: Cross multiply
    269,904.28x = 404,585.50 × 92,289.80
  4. Step 4: Simplify right side
    269,904.28x = 37,339,114,877.90
  5. Step 5: Solve for x
    x = 37,339,114,877.90/269,904.28
  6. Step 6: Final answer
    x = 138,342.06

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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.