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Finding the Fourth Proportional to 333,896.72, 500,623.62 and 109,178.42

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Solution

The fourth proportional to 333,896.72, 500,623.62 and 109,178.42 is: 163,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,896.72 : 500,623.62 = 109,178.42 : x
  2. Step 2: Convert to fraction form
    333,896.72/500,623.62 = 109,178.42/x
  3. Step 3: Cross multiply
    333,896.72x = 500,623.62 × 109,178.42
  4. Step 4: Simplify right side
    333,896.72x = 54,657,295,846.28
  5. Step 5: Solve for x
    x = 54,657,295,846.28/333,896.72
  6. Step 6: Final answer
    x = 163,695.22

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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.