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Finding the Fourth Proportional to 302,241.86, 453,346.36 and 91,863.38

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Solution

The fourth proportional to 302,241.86, 453,346.36 and 91,863.38 is: 137,790.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,241.86 : 453,346.36 = 91,863.38 : x
  2. Step 2: Convert to fraction form
    302,241.86/453,346.36 = 91,863.38/x
  3. Step 3: Cross multiply
    302,241.86x = 453,346.36 × 91,863.38
  4. Step 4: Simplify right side
    302,241.86x = 41,645,928,940.30
  5. Step 5: Solve for x
    x = 41,645,928,940.30/302,241.86
  6. Step 6: Final answer
    x = 137,790.08

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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.