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Finding the Fourth Proportional to 236,175.76, 354,264.02 and 71,859.62

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Solution

The fourth proportional to 236,175.76, 354,264.02 and 71,859.62 is: 107,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,175.76 : 354,264.02 = 71,859.62 : x
  2. Step 2: Convert to fraction form
    236,175.76/354,264.02 = 71,859.62/x
  3. Step 3: Cross multiply
    236,175.76x = 354,264.02 × 71,859.62
  4. Step 4: Simplify right side
    236,175.76x = 25,457,277,856.87
  5. Step 5: Solve for x
    x = 25,457,277,856.87/236,175.76
  6. Step 6: Final answer
    x = 107,789.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.