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Finding the Fourth Proportional to 199,587.32, 299,346.96 and 66,452.48

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Solution

The fourth proportional to 199,587.32, 299,346.96 and 66,452.48 is: 99,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,587.32 : 299,346.96 = 66,452.48 : x
  2. Step 2: Convert to fraction form
    199,587.32/299,346.96 = 66,452.48/x
  3. Step 3: Cross multiply
    199,587.32x = 299,346.96 × 66,452.48
  4. Step 4: Simplify right side
    199,587.32x = 19,892,347,872.46
  5. Step 5: Solve for x
    x = 19,892,347,872.46/199,587.32
  6. Step 6: Final answer
    x = 99,667.39

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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.