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Finding the Fourth Proportional to 215,551.52, 297,358.08 and 167,475.86

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Solution

The fourth proportional to 215,551.52, 297,358.08 and 167,475.86 is: 231,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,551.52 : 297,358.08 = 167,475.86 : x
  2. Step 2: Convert to fraction form
    215,551.52/297,358.08 = 167,475.86/x
  3. Step 3: Cross multiply
    215,551.52x = 297,358.08 × 167,475.86
  4. Step 4: Simplify right side
    215,551.52x = 49,800,300,175.95
  5. Step 5: Solve for x
    x = 49,800,300,175.95/215,551.52
  6. Step 6: Final answer
    x = 231,036.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.