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Finding the Fourth Proportional to 158,896.84, 238,345 and 40,568.20

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Solution

The fourth proportional to 158,896.84, 238,345 and 40,568.20 is: 60,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,896.84 : 238,345 = 40,568.20 : x
  2. Step 2: Convert to fraction form
    158,896.84/238,345 = 40,568.20/x
  3. Step 3: Cross multiply
    158,896.84x = 238,345 × 40,568.20
  4. Step 4: Simplify right side
    158,896.84x = 9,669,227,629
  5. Step 5: Solve for x
    x = 9,669,227,629/158,896.84
  6. Step 6: Final answer
    x = 60,852.23

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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.