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Finding the Fourth Proportional to 317,299.61, 475,951.05 and 106,939.37

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Solution

The fourth proportional to 317,299.61, 475,951.05 and 106,939.37 is: 160,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,299.61 : 475,951.05 = 106,939.37 : x
  2. Step 2: Convert to fraction form
    317,299.61/475,951.05 = 106,939.37/x
  3. Step 3: Cross multiply
    317,299.61x = 475,951.05 × 106,939.37
  4. Step 4: Simplify right side
    317,299.61x = 50,897,903,058.08
  5. Step 5: Solve for x
    x = 50,897,903,058.08/317,299.61
  6. Step 6: Final answer
    x = 160,409.60

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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.