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Finding the Fourth Proportional to 215,798.87, 297,795.93 and 119,002.73

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Solution

The fourth proportional to 215,798.87, 297,795.93 and 119,002.73 is: 164,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,798.87 : 297,795.93 = 119,002.73 : x
  2. Step 2: Convert to fraction form
    215,798.87/297,795.93 = 119,002.73/x
  3. Step 3: Cross multiply
    215,798.87x = 297,795.93 × 119,002.73
  4. Step 4: Simplify right side
    215,798.87x = 35,438,527,163.91
  5. Step 5: Solve for x
    x = 35,438,527,163.91/215,798.87
  6. Step 6: Final answer
    x = 164,220.17

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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.