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Finding the Fourth Proportional to 143,201.44, 214,719.85 and 59,019.71

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Solution

The fourth proportional to 143,201.44, 214,719.85 and 59,019.71 is: 88,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,201.44 : 214,719.85 = 59,019.71 : x
  2. Step 2: Convert to fraction form
    143,201.44/214,719.85 = 59,019.71/x
  3. Step 3: Cross multiply
    143,201.44x = 214,719.85 × 59,019.71
  4. Step 4: Simplify right side
    143,201.44x = 12,672,704,007.12
  5. Step 5: Solve for x
    x = 12,672,704,007.12/143,201.44
  6. Step 6: Final answer
    x = 88,495.64

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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.