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Finding the Fourth Proportional to 143,954.91, 215,932.73 and 73,795.95

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Solution

The fourth proportional to 143,954.91, 215,932.73 and 73,795.95 is: 110,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,954.91 : 215,932.73 = 73,795.95 : x
  2. Step 2: Convert to fraction form
    143,954.91/215,932.73 = 73,795.95/x
  3. Step 3: Cross multiply
    143,954.91x = 215,932.73 × 73,795.95
  4. Step 4: Simplify right side
    143,954.91x = 15,934,960,577.46
  5. Step 5: Solve for x
    x = 15,934,960,577.46/143,954.91
  6. Step 6: Final answer
    x = 110,694.11

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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.