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Finding the Fourth Proportional to 143,190.87, 214,704 and 59,009.15

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Solution

The fourth proportional to 143,190.87, 214,704 and 59,009.15 is: 88,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.87 : 214,704 = 59,009.15 : x
  2. Step 2: Convert to fraction form
    143,190.87/214,704 = 59,009.15/x
  3. Step 3: Cross multiply
    143,190.87x = 214,704 × 59,009.15
  4. Step 4: Simplify right side
    143,190.87x = 12,669,499,468.08
  5. Step 5: Solve for x
    x = 12,669,499,468.08/143,190.87
  6. Step 6: Final answer
    x = 88,479.80

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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.