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Finding the Fourth Proportional to 170,614.52, 255,812.16 and 70,843.60

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Solution

The fourth proportional to 170,614.52, 255,812.16 and 70,843.60 is: 106,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,614.52 : 255,812.16 = 70,843.60 : x
  2. Step 2: Convert to fraction form
    170,614.52/255,812.16 = 70,843.60/x
  3. Step 3: Cross multiply
    170,614.52x = 255,812.16 × 70,843.60
  4. Step 4: Simplify right side
    170,614.52x = 18,122,654,338.18
  5. Step 5: Solve for x
    x = 18,122,654,338.18/170,614.52
  6. Step 6: Final answer
    x = 106,219.88

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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.