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Finding the Fourth Proportional to 143,191.62, 214,705.13 and 59,009.90

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Solution

The fourth proportional to 143,191.62, 214,705.13 and 59,009.90 is: 88,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,191.62 : 214,705.13 = 59,009.90 : x
  2. Step 2: Convert to fraction form
    143,191.62/214,705.13 = 59,009.90/x
  3. Step 3: Cross multiply
    143,191.62x = 214,705.13 × 59,009.90
  4. Step 4: Simplify right side
    143,191.62x = 12,669,726,882.21
  5. Step 5: Solve for x
    x = 12,669,726,882.21/143,191.62
  6. Step 6: Final answer
    x = 88,480.92

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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.