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Finding the Fourth Proportional to 171,004.80, 256,814.40 and 165,475.20

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Solution

The fourth proportional to 171,004.80, 256,814.40 and 165,475.20 is: 248,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,004.80 : 256,814.40 = 165,475.20 : x
  2. Step 2: Convert to fraction form
    171,004.80/256,814.40 = 165,475.20/x
  3. Step 3: Cross multiply
    171,004.80x = 256,814.40 × 165,475.20
  4. Step 4: Simplify right side
    171,004.80x = 42,496,414,202.88
  5. Step 5: Solve for x
    x = 42,496,414,202.88/171,004.80
  6. Step 6: Final answer
    x = 248,510.07

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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.