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Finding the Fourth Proportional to 146,200.94, 201,757.90 and 79,132.94

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Solution

The fourth proportional to 146,200.94, 201,757.90 and 79,132.94 is: 109,203.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,200.94 : 201,757.90 = 79,132.94 : x
  2. Step 2: Convert to fraction form
    146,200.94/201,757.90 = 79,132.94/x
  3. Step 3: Cross multiply
    146,200.94x = 201,757.90 × 79,132.94
  4. Step 4: Simplify right side
    146,200.94x = 15,965,695,795.23
  5. Step 5: Solve for x
    x = 15,965,695,795.23/146,200.94
  6. Step 6: Final answer
    x = 109,203.78

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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.