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Finding the Fourth Proportional to 215,859.93, 323,760.73 and 58,097.85

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Solution

The fourth proportional to 215,859.93, 323,760.73 and 58,097.85 is: 87,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,859.93 : 323,760.73 = 58,097.85 : x
  2. Step 2: Convert to fraction form
    215,859.93/323,760.73 = 58,097.85/x
  3. Step 3: Cross multiply
    215,859.93x = 323,760.73 × 58,097.85
  4. Step 4: Simplify right side
    215,859.93x = 18,809,802,327.43
  5. Step 5: Solve for x
    x = 18,809,802,327.43/215,859.93
  6. Step 6: Final answer
    x = 87,138.93

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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.