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Finding the Fourth Proportional to 143,883.87, 215,845.51 and 49,088.62

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Solution

The fourth proportional to 143,883.87, 215,845.51 and 49,088.62 is: 73,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,883.87 : 215,845.51 = 49,088.62 : x
  2. Step 2: Convert to fraction form
    143,883.87/215,845.51 = 49,088.62/x
  3. Step 3: Cross multiply
    143,883.87x = 215,845.51 × 49,088.62
  4. Step 4: Simplify right side
    143,883.87x = 10,595,558,219.10
  5. Step 5: Solve for x
    x = 10,595,558,219.10/143,883.87
  6. Step 6: Final answer
    x = 73,639.65

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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.