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Finding the Fourth Proportional to 215,494.08, 323,293.32 and 73,338

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Solution

The fourth proportional to 215,494.08, 323,293.32 and 73,338 is: 110,024.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,494.08 : 323,293.32 = 73,338 : x
  2. Step 2: Convert to fraction form
    215,494.08/323,293.32 = 73,338/x
  3. Step 3: Cross multiply
    215,494.08x = 323,293.32 × 73,338
  4. Step 4: Simplify right side
    215,494.08x = 23,709,685,502.16
  5. Step 5: Solve for x
    x = 23,709,685,502.16/215,494.08
  6. Step 6: Final answer
    x = 110,024.76

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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.