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Finding the Fourth Proportional to 270,102.64, 372,722.46 and 149,242.63

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Solution

The fourth proportional to 270,102.64, 372,722.46 and 149,242.63 is: 205,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,102.64 : 372,722.46 = 149,242.63 : x
  2. Step 2: Convert to fraction form
    270,102.64/372,722.46 = 149,242.63/x
  3. Step 3: Cross multiply
    270,102.64x = 372,722.46 × 149,242.63
  4. Step 4: Simplify right side
    270,102.64x = 55,626,080,190.47
  5. Step 5: Solve for x
    x = 55,626,080,190.47/270,102.64
  6. Step 6: Final answer
    x = 205,944.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.