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Finding the Fourth Proportional to 215,910.03, 323,901.96 and 73,747.50

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Solution

The fourth proportional to 215,910.03, 323,901.96 and 73,747.50 is: 110,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910.03 : 323,901.96 = 73,747.50 : x
  2. Step 2: Convert to fraction form
    215,910.03/323,901.96 = 73,747.50/x
  3. Step 3: Cross multiply
    215,910.03x = 323,901.96 × 73,747.50
  4. Step 4: Simplify right side
    215,910.03x = 23,886,959,795.10
  5. Step 5: Solve for x
    x = 23,886,959,795.10/215,910.03
  6. Step 6: Final answer
    x = 110,633.86

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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.