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Finding the Fourth Proportional to 269,162.36, 403,743.48 and 79,607.95

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Solution

The fourth proportional to 269,162.36, 403,743.48 and 79,607.95 is: 119,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,162.36 : 403,743.48 = 79,607.95 : x
  2. Step 2: Convert to fraction form
    269,162.36/403,743.48 = 79,607.95/x
  3. Step 3: Cross multiply
    269,162.36x = 403,743.48 × 79,607.95
  4. Step 4: Simplify right side
    269,162.36x = 32,141,189,759.31
  5. Step 5: Solve for x
    x = 32,141,189,759.31/269,162.36
  6. Step 6: Final answer
    x = 119,411.91

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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.