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Finding the Fourth Proportional to 239,507.74, 359,393.25 and 89,851.42

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Solution

The fourth proportional to 239,507.74, 359,393.25 and 89,851.42 is: 134,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,507.74 : 359,393.25 = 89,851.42 : x
  2. Step 2: Convert to fraction form
    239,507.74/359,393.25 = 89,851.42/x
  3. Step 3: Cross multiply
    239,507.74x = 359,393.25 × 89,851.42
  4. Step 4: Simplify right side
    239,507.74x = 32,291,993,850.92
  5. Step 5: Solve for x
    x = 32,291,993,850.92/239,507.74
  6. Step 6: Final answer
    x = 134,826.51

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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.