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Finding the Fourth Proportional to 270,170.45, 405,255.62 and 101,728.52

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Solution

The fourth proportional to 270,170.45, 405,255.62 and 101,728.52 is: 152,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,170.45 : 405,255.62 = 101,728.52 : x
  2. Step 2: Convert to fraction form
    270,170.45/405,255.62 = 101,728.52/x
  3. Step 3: Cross multiply
    270,170.45x = 405,255.62 × 101,728.52
  4. Step 4: Simplify right side
    270,170.45x = 41,226,054,192.03
  5. Step 5: Solve for x
    x = 41,226,054,192.03/270,170.45
  6. Step 6: Final answer
    x = 152,592.76

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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.