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Finding the Fourth Proportional to 92,703.89, 127,930.69 and 50,262.12

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Solution

The fourth proportional to 92,703.89, 127,930.69 and 50,262.12 is: 69,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.89 : 127,930.69 = 50,262.12 : x
  2. Step 2: Convert to fraction form
    92,703.89/127,930.69 = 50,262.12/x
  3. Step 3: Cross multiply
    92,703.89x = 127,930.69 × 50,262.12
  4. Step 4: Simplify right side
    92,703.89x = 6,430,067,755.29
  5. Step 5: Solve for x
    x = 6,430,067,755.29/92,703.89
  6. Step 6: Final answer
    x = 69,361.36

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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.