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Finding the Fourth Proportional to 159,750.68, 239,674.62 and 75,575.48

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Solution

The fourth proportional to 159,750.68, 239,674.62 and 75,575.48 is: 113,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,750.68 : 239,674.62 = 75,575.48 : x
  2. Step 2: Convert to fraction form
    159,750.68/239,674.62 = 75,575.48/x
  3. Step 3: Cross multiply
    159,750.68x = 239,674.62 × 75,575.48
  4. Step 4: Simplify right side
    159,750.68x = 18,113,524,450.32
  5. Step 5: Solve for x
    x = 18,113,524,450.32/159,750.68
  6. Step 6: Final answer
    x = 113,386.21

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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.