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Finding the Fourth Proportional to 356,390.82, 534,666 and 119,727.03

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Solution

The fourth proportional to 356,390.82, 534,666 and 119,727.03 is: 179,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,390.82 : 534,666 = 119,727.03 : x
  2. Step 2: Convert to fraction form
    356,390.82/534,666 = 119,727.03/x
  3. Step 3: Cross multiply
    356,390.82x = 534,666 × 119,727.03
  4. Step 4: Simplify right side
    356,390.82x = 64,013,972,221.98
  5. Step 5: Solve for x
    x = 64,013,972,221.98/356,390.82
  6. Step 6: Final answer
    x = 179,617.34

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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.