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Finding the Fourth Proportional to 68,224.72, 94,143.72 and 50,329.68

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Solution

The fourth proportional to 68,224.72, 94,143.72 and 50,329.68 is: 69,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,224.72 : 94,143.72 = 50,329.68 : x
  2. Step 2: Convert to fraction form
    68,224.72/94,143.72 = 50,329.68/x
  3. Step 3: Cross multiply
    68,224.72x = 94,143.72 × 50,329.68
  4. Step 4: Simplify right side
    68,224.72x = 4,738,223,301.61
  5. Step 5: Solve for x
    x = 4,738,223,301.61/68,224.72
  6. Step 6: Final answer
    x = 69,450.24

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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.