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Finding the Fourth Proportional to 269,535.60, 404,303.40 and 82,522.80

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Solution

The fourth proportional to 269,535.60, 404,303.40 and 82,522.80 is: 123,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,535.60 : 404,303.40 = 82,522.80 : x
  2. Step 2: Convert to fraction form
    269,535.60/404,303.40 = 82,522.80/x
  3. Step 3: Cross multiply
    269,535.60x = 404,303.40 × 82,522.80
  4. Step 4: Simplify right side
    269,535.60x = 33,364,248,617.52
  5. Step 5: Solve for x
    x = 33,364,248,617.52/269,535.60
  6. Step 6: Final answer
    x = 123,784.20

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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.