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Finding the Fourth Proportional to 158,900.91, 238,351.37 and 40,568.01

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Solution

The fourth proportional to 158,900.91, 238,351.37 and 40,568.01 is: 60,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,900.91 : 238,351.37 = 40,568.01 : x
  2. Step 2: Convert to fraction form
    158,900.91/238,351.37 = 40,568.01/x
  3. Step 3: Cross multiply
    158,900.91x = 238,351.37 × 40,568.01
  4. Step 4: Simplify right side
    158,900.91x = 9,669,440,761.67
  5. Step 5: Solve for x
    x = 9,669,440,761.67/158,900.91
  6. Step 6: Final answer
    x = 60,852.02

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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.