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Finding the Fourth Proportional to 250,141.92, 345,249.27 and 159,477

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Solution

The fourth proportional to 250,141.92, 345,249.27 and 159,477 is: 220,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,141.92 : 345,249.27 = 159,477 : x
  2. Step 2: Convert to fraction form
    250,141.92/345,249.27 = 159,477/x
  3. Step 3: Cross multiply
    250,141.92x = 345,249.27 × 159,477
  4. Step 4: Simplify right side
    250,141.92x = 55,059,317,831.79
  5. Step 5: Solve for x
    x = 55,059,317,831.79/250,141.92
  6. Step 6: Final answer
    x = 220,112.32

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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.