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Finding the Fourth Proportional to 271,994.27, 375,309.20 and 157,230.23

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Solution

The fourth proportional to 271,994.27, 375,309.20 and 157,230.23 is: 216,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,994.27 : 375,309.20 = 157,230.23 : x
  2. Step 2: Convert to fraction form
    271,994.27/375,309.20 = 157,230.23/x
  3. Step 3: Cross multiply
    271,994.27x = 375,309.20 × 157,230.23
  4. Step 4: Simplify right side
    271,994.27x = 59,009,951,050.96
  5. Step 5: Solve for x
    x = 59,009,951,050.96/271,994.27
  6. Step 6: Final answer
    x = 216,952.92

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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.