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Finding the Fourth Proportional to 215,064.99, 296,789.00 and 119,571.66

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Solution

The fourth proportional to 215,064.99, 296,789.00 and 119,571.66 is: 165,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,064.99 : 296,789.00 = 119,571.66 : x
  2. Step 2: Convert to fraction form
    215,064.99/296,789.00 = 119,571.66/x
  3. Step 3: Cross multiply
    215,064.99x = 296,789.00 × 119,571.66
  4. Step 4: Simplify right side
    215,064.99x = 35,487,552,801.88
  5. Step 5: Solve for x
    x = 35,487,552,801.88/215,064.99
  6. Step 6: Final answer
    x = 165,008.51

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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.