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Finding the Fourth Proportional to 203,373.46, 280,560.45 and 127,963.54

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Solution

The fourth proportional to 203,373.46, 280,560.45 and 127,963.54 is: 176,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,373.46 : 280,560.45 = 127,963.54 : x
  2. Step 2: Convert to fraction form
    203,373.46/280,560.45 = 127,963.54/x
  3. Step 3: Cross multiply
    203,373.46x = 280,560.45 × 127,963.54
  4. Step 4: Simplify right side
    203,373.46x = 35,901,508,365.99
  5. Step 5: Solve for x
    x = 35,901,508,365.99/203,373.46
  6. Step 6: Final answer
    x = 176,529.96

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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.