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Finding the Fourth Proportional to 215,786.73, 297,803.43 and 119,009.52

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Solution

The fourth proportional to 215,786.73, 297,803.43 and 119,009.52 is: 164,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,786.73 : 297,803.43 = 119,009.52 : x
  2. Step 2: Convert to fraction form
    215,786.73/297,803.43 = 119,009.52/x
  3. Step 3: Cross multiply
    215,786.73x = 297,803.43 × 119,009.52
  4. Step 4: Simplify right side
    215,786.73x = 35,441,443,259.00
  5. Step 5: Solve for x
    x = 35,441,443,259.00/215,786.73
  6. Step 6: Final answer
    x = 164,242.92

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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.