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Finding the Fourth Proportional to 199,088.75, 298,452.60 and 99,279.56

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Solution

The fourth proportional to 199,088.75, 298,452.60 and 99,279.56 is: 148,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,088.75 : 298,452.60 = 99,279.56 : x
  2. Step 2: Convert to fraction form
    199,088.75/298,452.60 = 99,279.56/x
  3. Step 3: Cross multiply
    199,088.75x = 298,452.60 × 99,279.56
  4. Step 4: Simplify right side
    199,088.75x = 29,630,241,316.59
  5. Step 5: Solve for x
    x = 29,630,241,316.59/199,088.75
  6. Step 6: Final answer
    x = 148,829.31

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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.