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Finding the Fourth Proportional to 199,876.80, 299,469.60 and 94,468.80

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Solution

The fourth proportional to 199,876.80, 299,469.60 and 94,468.80 is: 141,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,876.80 : 299,469.60 = 94,468.80 : x
  2. Step 2: Convert to fraction form
    199,876.80/299,469.60 = 94,468.80/x
  3. Step 3: Cross multiply
    199,876.80x = 299,469.60 × 94,468.80
  4. Step 4: Simplify right side
    199,876.80x = 28,290,533,748.48
  5. Step 5: Solve for x
    x = 28,290,533,748.48/199,876.80
  6. Step 6: Final answer
    x = 141,539.86

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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.