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Finding the Fourth Proportional to 132,646.96, 198,909 and 43,884.08

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Solution

The fourth proportional to 132,646.96, 198,909 and 43,884.08 is: 65,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,646.96 : 198,909 = 43,884.08 : x
  2. Step 2: Convert to fraction form
    132,646.96/198,909 = 43,884.08/x
  3. Step 3: Cross multiply
    132,646.96x = 198,909 × 43,884.08
  4. Step 4: Simplify right side
    132,646.96x = 8,728,938,468.72
  5. Step 5: Solve for x
    x = 8,728,938,468.72/132,646.96
  6. Step 6: Final answer
    x = 65,805.79

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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.