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Finding the Fourth Proportional to 256,737.52, 354,270.52 and 141,997.93

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Solution

The fourth proportional to 256,737.52, 354,270.52 and 141,997.93 is: 195,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,737.52 : 354,270.52 = 141,997.93 : x
  2. Step 2: Convert to fraction form
    256,737.52/354,270.52 = 141,997.93/x
  3. Step 3: Cross multiply
    256,737.52x = 354,270.52 × 141,997.93
  4. Step 4: Simplify right side
    256,737.52x = 50,305,681,120.36
  5. Step 5: Solve for x
    x = 50,305,681,120.36/256,737.52
  6. Step 6: Final answer
    x = 195,942.07

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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.