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Finding the Fourth Proportional to 170,796.70, 256,195.05 and 168,172.30

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Solution

The fourth proportional to 170,796.70, 256,195.05 and 168,172.30 is: 252,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,796.70 : 256,195.05 = 168,172.30 : x
  2. Step 2: Convert to fraction form
    170,796.70/256,195.05 = 168,172.30/x
  3. Step 3: Cross multiply
    170,796.70x = 256,195.05 × 168,172.30
  4. Step 4: Simplify right side
    170,796.70x = 43,084,910,807.12
  5. Step 5: Solve for x
    x = 43,084,910,807.12/170,796.70
  6. Step 6: Final answer
    x = 252,258.45

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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.