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Finding the Fourth Proportional to 356,660.92, 534,656.46 and 119,837.98

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Solution

The fourth proportional to 356,660.92, 534,656.46 and 119,837.98 is: 179,644.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,660.92 : 534,656.46 = 119,837.98 : x
  2. Step 2: Convert to fraction form
    356,660.92/534,656.46 = 119,837.98/x
  3. Step 3: Cross multiply
    356,660.92x = 534,656.46 × 119,837.98
  4. Step 4: Simplify right side
    356,660.92x = 64,072,150,160.35
  5. Step 5: Solve for x
    x = 64,072,150,160.35/356,660.92
  6. Step 6: Final answer
    x = 179,644.44

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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.