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Finding the Fourth Proportional to 337,105.35, 505,658.03 and 87,787.35

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Solution

The fourth proportional to 337,105.35, 505,658.03 and 87,787.35 is: 131,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,105.35 : 505,658.03 = 87,787.35 : x
  2. Step 2: Convert to fraction form
    337,105.35/505,658.03 = 87,787.35/x
  3. Step 3: Cross multiply
    337,105.35x = 505,658.03 × 87,787.35
  4. Step 4: Simplify right side
    337,105.35x = 44,390,378,020.98
  5. Step 5: Solve for x
    x = 44,390,378,020.98/337,105.35
  6. Step 6: Final answer
    x = 131,681.03

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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.