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Finding the Fourth Proportional to 170,798.70, 256,198.05 and 168,174.30

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Solution

The fourth proportional to 170,798.70, 256,198.05 and 168,174.30 is: 252,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,798.70 : 256,198.05 = 168,174.30 : x
  2. Step 2: Convert to fraction form
    170,798.70/256,198.05 = 168,174.30/x
  3. Step 3: Cross multiply
    170,798.70x = 256,198.05 × 168,174.30
  4. Step 4: Simplify right side
    170,798.70x = 43,085,927,720.12
  5. Step 5: Solve for x
    x = 43,085,927,720.12/170,798.70
  6. Step 6: Final answer
    x = 252,261.45

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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.