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Finding the Fourth Proportional to 269,839.52, 404,751.08 and 70,155.50

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Solution

The fourth proportional to 269,839.52, 404,751.08 and 70,155.50 is: 105,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,839.52 : 404,751.08 = 70,155.50 : x
  2. Step 2: Convert to fraction form
    269,839.52/404,751.08 = 70,155.50/x
  3. Step 3: Cross multiply
    269,839.52x = 404,751.08 × 70,155.50
  4. Step 4: Simplify right side
    269,839.52x = 28,395,514,392.94
  5. Step 5: Solve for x
    x = 28,395,514,392.94/269,839.52
  6. Step 6: Final answer
    x = 105,231.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.