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Finding the Fourth Proportional to 124,571.52, 171,906.30 and 67,983.30

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Solution

The fourth proportional to 124,571.52, 171,906.30 and 67,983.30 is: 93,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,571.52 : 171,906.30 = 67,983.30 : x
  2. Step 2: Convert to fraction form
    124,571.52/171,906.30 = 67,983.30/x
  3. Step 3: Cross multiply
    124,571.52x = 171,906.30 × 67,983.30
  4. Step 4: Simplify right side
    124,571.52x = 11,686,757,564.79
  5. Step 5: Solve for x
    x = 11,686,757,564.79/124,571.52
  6. Step 6: Final answer
    x = 93,815.65

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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.