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Finding the Fourth Proportional to 106,424.73, 159,653.49 and 36,287.64

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Solution

The fourth proportional to 106,424.73, 159,653.49 and 36,287.64 is: 54,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.73 : 159,653.49 = 36,287.64 : x
  2. Step 2: Convert to fraction form
    106,424.73/159,653.49 = 36,287.64/x
  3. Step 3: Cross multiply
    106,424.73x = 159,653.49 × 36,287.64
  4. Step 4: Simplify right side
    106,424.73x = 5,793,448,369.86
  5. Step 5: Solve for x
    x = 5,793,448,369.86/106,424.73
  6. Step 6: Final answer
    x = 54,437.05

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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.