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Finding the Fourth Proportional to 199,373.72, 299,059.89 and 49,613.99

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Solution

The fourth proportional to 199,373.72, 299,059.89 and 49,613.99 is: 74,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,373.72 : 299,059.89 = 49,613.99 : x
  2. Step 2: Convert to fraction form
    199,373.72/299,059.89 = 49,613.99/x
  3. Step 3: Cross multiply
    199,373.72x = 299,059.89 × 49,613.99
  4. Step 4: Simplify right side
    199,373.72x = 14,837,552,896.56
  5. Step 5: Solve for x
    x = 14,837,552,896.56/199,373.72
  6. Step 6: Final answer
    x = 74,420.81

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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.