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Finding the Fourth Proportional to 113,073.54, 169,629.87 and 38,194.23

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Solution

The fourth proportional to 113,073.54, 169,629.87 and 38,194.23 is: 57,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,073.54 : 169,629.87 = 38,194.23 : x
  2. Step 2: Convert to fraction form
    113,073.54/169,629.87 = 38,194.23/x
  3. Step 3: Cross multiply
    113,073.54x = 169,629.87 × 38,194.23
  4. Step 4: Simplify right side
    113,073.54x = 6,478,882,174.16
  5. Step 5: Solve for x
    x = 6,478,882,174.16/113,073.54
  6. Step 6: Final answer
    x = 57,297.95

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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.