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Finding the Fourth Proportional to 270,102.66, 372,731.61 and 149,241.34

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Solution

The fourth proportional to 270,102.66, 372,731.61 and 149,241.34 is: 205,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,102.66 : 372,731.61 = 149,241.34 : x
  2. Step 2: Convert to fraction form
    270,102.66/372,731.61 = 149,241.34/x
  3. Step 3: Cross multiply
    270,102.66x = 372,731.61 × 149,241.34
  4. Step 4: Simplify right side
    270,102.66x = 55,626,964,936.76
  5. Step 5: Solve for x
    x = 55,626,964,936.76/270,102.66
  6. Step 6: Final answer
    x = 205,947.49

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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.