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Finding the Fourth Proportional to 158,990.16, 238,496.28 and 53,773.56

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Solution

The fourth proportional to 158,990.16, 238,496.28 and 53,773.56 is: 80,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,990.16 : 238,496.28 = 53,773.56 : x
  2. Step 2: Convert to fraction form
    158,990.16/238,496.28 = 53,773.56/x
  3. Step 3: Cross multiply
    158,990.16x = 238,496.28 × 53,773.56
  4. Step 4: Simplify right side
    158,990.16x = 12,824,794,022.36
  5. Step 5: Solve for x
    x = 12,824,794,022.36/158,990.16
  6. Step 6: Final answer
    x = 80,664.07

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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.