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Finding the Fourth Proportional to 92,513.68, 127,668.80 and 50,072.12

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Solution

The fourth proportional to 92,513.68, 127,668.80 and 50,072.12 is: 69,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.68 : 127,668.80 = 50,072.12 : x
  2. Step 2: Convert to fraction form
    92,513.68/127,668.80 = 50,072.12/x
  3. Step 3: Cross multiply
    92,513.68x = 127,668.80 × 50,072.12
  4. Step 4: Simplify right side
    92,513.68x = 6,392,647,473.86
  5. Step 5: Solve for x
    x = 6,392,647,473.86/92,513.68
  6. Step 6: Final answer
    x = 69,099.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.