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Finding the Fourth Proportional to 146,200.87, 201,757.80 and 79,132.87

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Solution

The fourth proportional to 146,200.87, 201,757.80 and 79,132.87 is: 109,203.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,200.87 : 201,757.80 = 79,132.87 : x
  2. Step 2: Convert to fraction form
    146,200.87/201,757.80 = 79,132.87/x
  3. Step 3: Cross multiply
    146,200.87x = 201,757.80 × 79,132.87
  4. Step 4: Simplify right side
    146,200.87x = 15,965,673,758.89
  5. Step 5: Solve for x
    x = 15,965,673,758.89/146,200.87
  6. Step 6: Final answer
    x = 109,203.69

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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.