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Finding the Fourth Proportional to 199,563.56, 299,384.78 and 73,204.98

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Solution

The fourth proportional to 199,563.56, 299,384.78 and 73,204.98 is: 109,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,563.56 : 299,384.78 = 73,204.98 : x
  2. Step 2: Convert to fraction form
    199,563.56/299,384.78 = 73,204.98/x
  3. Step 3: Cross multiply
    199,563.56x = 299,384.78 × 73,204.98
  4. Step 4: Simplify right side
    199,563.56x = 21,916,455,904.83
  5. Step 5: Solve for x
    x = 21,916,455,904.83/199,563.56
  6. Step 6: Final answer
    x = 109,821.93

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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.