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Finding the Fourth Proportional to 158,687.03, 238,052.78 and 46,375.49

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Solution

The fourth proportional to 158,687.03, 238,052.78 and 46,375.49 is: 69,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,687.03 : 238,052.78 = 46,375.49 : x
  2. Step 2: Convert to fraction form
    158,687.03/238,052.78 = 46,375.49/x
  3. Step 3: Cross multiply
    158,687.03x = 238,052.78 × 46,375.49
  4. Step 4: Simplify right side
    158,687.03x = 11,039,814,318.36
  5. Step 5: Solve for x
    x = 11,039,814,318.36/158,687.03
  6. Step 6: Final answer
    x = 69,569.73

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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.