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Finding the Fourth Proportional to 199,063.91, 298,595.88 and 58,811.60

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Solution

The fourth proportional to 199,063.91, 298,595.88 and 58,811.60 is: 88,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,063.91 : 298,595.88 = 58,811.60 : x
  2. Step 2: Convert to fraction form
    199,063.91/298,595.88 = 58,811.60/x
  3. Step 3: Cross multiply
    199,063.91x = 298,595.88 × 58,811.60
  4. Step 4: Simplify right side
    199,063.91x = 17,560,899,963.23
  5. Step 5: Solve for x
    x = 17,560,899,963.23/199,063.91
  6. Step 6: Final answer
    x = 88,217.40

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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.