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Finding the Fourth Proportional to 168,130.80, 232,016.76 and 92,679.12

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Solution

The fourth proportional to 168,130.80, 232,016.76 and 92,679.12 is: 127,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,130.80 : 232,016.76 = 92,679.12 : x
  2. Step 2: Convert to fraction form
    168,130.80/232,016.76 = 92,679.12/x
  3. Step 3: Cross multiply
    168,130.80x = 232,016.76 × 92,679.12
  4. Step 4: Simplify right side
    168,130.80x = 21,503,109,142.05
  5. Step 5: Solve for x
    x = 21,503,109,142.05/168,130.80
  6. Step 6: Final answer
    x = 127,895.12

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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.