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Finding the Fourth Proportional to 214,838.92, 296,410.80 and 124,161.88

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Solution

The fourth proportional to 214,838.92, 296,410.80 and 124,161.88 is: 171,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,838.92 : 296,410.80 = 124,161.88 : x
  2. Step 2: Convert to fraction form
    214,838.92/296,410.80 = 124,161.88/x
  3. Step 3: Cross multiply
    214,838.92x = 296,410.80 × 124,161.88
  4. Step 4: Simplify right side
    214,838.92x = 36,802,922,180.30
  5. Step 5: Solve for x
    x = 36,802,922,180.30/214,838.92
  6. Step 6: Final answer
    x = 171,304.73

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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.