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Finding the Fourth Proportional to 271,645.92, 374,891.76 and 158,444.64

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Solution

The fourth proportional to 271,645.92, 374,891.76 and 158,444.64 is: 218,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,645.92 : 374,891.76 = 158,444.64 : x
  2. Step 2: Convert to fraction form
    271,645.92/374,891.76 = 158,444.64/x
  3. Step 3: Cross multiply
    271,645.92x = 374,891.76 × 158,444.64
  4. Step 4: Simplify right side
    271,645.92x = 59,399,589,952.17
  5. Step 5: Solve for x
    x = 59,399,589,952.17/271,645.92
  6. Step 6: Final answer
    x = 218,665.50

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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.