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Finding the Fourth Proportional to 162,822.90, 244,234.35 and 143,139.90

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Solution

The fourth proportional to 162,822.90, 244,234.35 and 143,139.90 is: 214,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,822.90 : 244,234.35 = 143,139.90 : x
  2. Step 2: Convert to fraction form
    162,822.90/244,234.35 = 143,139.90/x
  3. Step 3: Cross multiply
    162,822.90x = 244,234.35 × 143,139.90
  4. Step 4: Simplify right side
    162,822.90x = 34,959,680,435.57
  5. Step 5: Solve for x
    x = 34,959,680,435.57/162,822.90
  6. Step 6: Final answer
    x = 214,709.85

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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.