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Finding the Fourth Proportional to 356,601.72, 534,928.98 and 119,943.48

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Solution

The fourth proportional to 356,601.72, 534,928.98 and 119,943.48 is: 179,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,601.72 : 534,928.98 = 119,943.48 : x
  2. Step 2: Convert to fraction form
    356,601.72/534,928.98 = 119,943.48/x
  3. Step 3: Cross multiply
    356,601.72x = 534,928.98 × 119,943.48
  4. Step 4: Simplify right side
    356,601.72x = 64,161,243,414.05
  5. Step 5: Solve for x
    x = 64,161,243,414.05/356,601.72
  6. Step 6: Final answer
    x = 179,924.10

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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.