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Finding the Fourth Proportional to 199,375.72, 299,062.88 and 49,615.98

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Solution

The fourth proportional to 199,375.72, 299,062.88 and 49,615.98 is: 74,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,375.72 : 299,062.88 = 49,615.98 : x
  2. Step 2: Convert to fraction form
    199,375.72/299,062.88 = 49,615.98/x
  3. Step 3: Cross multiply
    199,375.72x = 299,062.88 × 49,615.98
  4. Step 4: Simplify right side
    199,375.72x = 14,838,297,872.82
  5. Step 5: Solve for x
    x = 14,838,297,872.82/199,375.72
  6. Step 6: Final answer
    x = 74,423.80

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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.