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Finding the Fourth Proportional to 115,450.48, 159,348.24 and 67,719.24

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Solution

The fourth proportional to 115,450.48, 159,348.24 and 67,719.24 is: 93,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.48 : 159,348.24 = 67,719.24 : x
  2. Step 2: Convert to fraction form
    115,450.48/159,348.24 = 67,719.24/x
  3. Step 3: Cross multiply
    115,450.48x = 159,348.24 × 67,719.24
  4. Step 4: Simplify right side
    115,450.48x = 10,790,941,708.14
  5. Step 5: Solve for x
    x = 10,790,941,708.14/115,450.48
  6. Step 6: Final answer
    x = 93,468.14

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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.