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Finding the Fourth Proportional to 143,213.00, 214,902.75 and 58,981.64

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Solution

The fourth proportional to 143,213.00, 214,902.75 and 58,981.64 is: 88,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,213.00 : 214,902.75 = 58,981.64 : x
  2. Step 2: Convert to fraction form
    143,213.00/214,902.75 = 58,981.64/x
  3. Step 3: Cross multiply
    143,213.00x = 214,902.75 × 58,981.64
  4. Step 4: Simplify right side
    143,213.00x = 12,675,315,561.00
  5. Step 5: Solve for x
    x = 12,675,315,561.00/143,213.00
  6. Step 6: Final answer
    x = 88,506.74

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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.