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Finding the Fourth Proportional to 144,930.87, 217,411.20 and 50,160.87

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Solution

The fourth proportional to 144,930.87, 217,411.20 and 50,160.87 is: 75,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,930.87 : 217,411.20 = 50,160.87 : x
  2. Step 2: Convert to fraction form
    144,930.87/217,411.20 = 50,160.87/x
  3. Step 3: Cross multiply
    144,930.87x = 217,411.20 × 50,160.87
  4. Step 4: Simplify right side
    144,930.87x = 10,905,534,939.74
  5. Step 5: Solve for x
    x = 10,905,534,939.74/144,930.87
  6. Step 6: Final answer
    x = 75,246.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.