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Finding the Fourth Proportional to 239,504.98, 359,286.11 and 97,319.87

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Solution

The fourth proportional to 239,504.98, 359,286.11 and 97,319.87 is: 145,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,504.98 : 359,286.11 = 97,319.87 : x
  2. Step 2: Convert to fraction form
    239,504.98/359,286.11 = 97,319.87/x
  3. Step 3: Cross multiply
    239,504.98x = 359,286.11 × 97,319.87
  4. Step 4: Simplify right side
    239,504.98x = 34,965,677,518.01
  5. Step 5: Solve for x
    x = 34,965,677,518.01/239,504.98
  6. Step 6: Final answer
    x = 145,991.44

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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.