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Finding the Fourth Proportional to 215,237.35, 322,866.97 and 73,099.36

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Solution

The fourth proportional to 215,237.35, 322,866.97 and 73,099.36 is: 109,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,237.35 : 322,866.97 = 73,099.36 : x
  2. Step 2: Convert to fraction form
    215,237.35/322,866.97 = 73,099.36/x
  3. Step 3: Cross multiply
    215,237.35x = 322,866.97 × 73,099.36
  4. Step 4: Simplify right side
    215,237.35x = 23,601,369,092.97
  5. Step 5: Solve for x
    x = 23,601,369,092.97/215,237.35
  6. Step 6: Final answer
    x = 109,652.76

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1.5x scale

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.