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Finding the Fourth Proportional to 143,955.66, 215,933.85 and 73,796.70

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Solution

The fourth proportional to 143,955.66, 215,933.85 and 73,796.70 is: 110,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.66 : 215,933.85 = 73,796.70 : x
  2. Step 2: Convert to fraction form
    143,955.66/215,933.85 = 73,796.70/x
  3. Step 3: Cross multiply
    143,955.66x = 215,933.85 × 73,796.70
  4. Step 4: Simplify right side
    143,955.66x = 15,935,205,548.30
  5. Step 5: Solve for x
    x = 15,935,205,548.30/143,955.66
  6. Step 6: Final answer
    x = 110,695.23

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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.