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Finding the Fourth Proportional to 239,316.99, 359,026.56 and 119,438.43

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Solution

The fourth proportional to 239,316.99, 359,026.56 and 119,438.43 is: 179,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,316.99 : 359,026.56 = 119,438.43 : x
  2. Step 2: Convert to fraction form
    239,316.99/359,026.56 = 119,438.43/x
  3. Step 3: Cross multiply
    239,316.99x = 359,026.56 × 119,438.43
  4. Step 4: Simplify right side
    239,316.99x = 42,881,568,654.70
  5. Step 5: Solve for x
    x = 42,881,568,654.70/239,316.99
  6. Step 6: Final answer
    x = 179,183.14

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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.