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Finding the Fourth Proportional to 68,954.38, 103,238.86 and 37,250.86

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Solution

The fourth proportional to 68,954.38, 103,238.86 and 37,250.86 is: 55,772.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954.38 : 103,238.86 = 37,250.86 : x
  2. Step 2: Convert to fraction form
    68,954.38/103,238.86 = 37,250.86/x
  3. Step 3: Cross multiply
    68,954.38x = 103,238.86 × 37,250.86
  4. Step 4: Simplify right side
    68,954.38x = 3,845,735,804.23
  5. Step 5: Solve for x
    x = 3,845,735,804.23/68,954.38
  6. Step 6: Final answer
    x = 55,772.18

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1.5x scale

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.