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Finding the Fourth Proportional to 162,511.30, 243,910.95 and 95,868.10

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Solution

The fourth proportional to 162,511.30, 243,910.95 and 95,868.10 is: 143,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,511.30 : 243,910.95 = 95,868.10 : x
  2. Step 2: Convert to fraction form
    162,511.30/243,910.95 = 95,868.10/x
  3. Step 3: Cross multiply
    162,511.30x = 243,910.95 × 95,868.10
  4. Step 4: Simplify right side
    162,511.30x = 23,383,279,345.70
  5. Step 5: Solve for x
    x = 23,383,279,345.70/162,511.30
  6. Step 6: Final answer
    x = 143,887.10

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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.