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Finding the Fourth Proportional to 106,163.49, 146,509.59 and 60,850.20

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Solution

The fourth proportional to 106,163.49, 146,509.59 and 60,850.20 is: 83,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,163.49 : 146,509.59 = 60,850.20 : x
  2. Step 2: Convert to fraction form
    106,163.49/146,509.59 = 60,850.20/x
  3. Step 3: Cross multiply
    106,163.49x = 146,509.59 × 60,850.20
  4. Step 4: Simplify right side
    106,163.49x = 8,915,137,853.42
  5. Step 5: Solve for x
    x = 8,915,137,853.42/106,163.49
  6. Step 6: Final answer
    x = 83,975.55

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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.