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Finding the Fourth Proportional to 170,147.70, 255,202.10 and 45,498.42

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Solution

The fourth proportional to 170,147.70, 255,202.10 and 45,498.42 is: 68,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.70 : 255,202.10 = 45,498.42 : x
  2. Step 2: Convert to fraction form
    170,147.70/255,202.10 = 45,498.42/x
  3. Step 3: Cross multiply
    170,147.70x = 255,202.10 × 45,498.42
  4. Step 4: Simplify right side
    170,147.70x = 11,611,292,330.68
  5. Step 5: Solve for x
    x = 11,611,292,330.68/170,147.70
  6. Step 6: Final answer
    x = 68,242.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.