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Finding the Fourth Proportional to 201,645.04, 302,513.46 and 61,414.60

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Solution

The fourth proportional to 201,645.04, 302,513.46 and 61,414.60 is: 92,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,645.04 : 302,513.46 = 61,414.60 : x
  2. Step 2: Convert to fraction form
    201,645.04/302,513.46 = 61,414.60/x
  3. Step 3: Cross multiply
    201,645.04x = 302,513.46 × 61,414.60
  4. Step 4: Simplify right side
    201,645.04x = 18,578,743,140.52
  5. Step 5: Solve for x
    x = 18,578,743,140.52/201,645.04
  6. Step 6: Final answer
    x = 92,135.88

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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.