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Finding the Fourth Proportional to 271,976.19, 375,219.63 and 157,233.72

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Solution

The fourth proportional to 271,976.19, 375,219.63 and 157,233.72 is: 216,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,976.19 : 375,219.63 = 157,233.72 : x
  2. Step 2: Convert to fraction form
    271,976.19/375,219.63 = 157,233.72/x
  3. Step 3: Cross multiply
    271,976.19x = 375,219.63 × 157,233.72
  4. Step 4: Simplify right side
    271,976.19x = 58,997,178,241.92
  5. Step 5: Solve for x
    x = 58,997,178,241.92/271,976.19
  6. Step 6: Final answer
    x = 216,920.38

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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.