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Finding the Fourth Proportional to 271,996.28, 375,311.96 and 157,232.24

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Solution

The fourth proportional to 271,996.28, 375,311.96 and 157,232.24 is: 216,955.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,996.28 : 375,311.96 = 157,232.24 : x
  2. Step 2: Convert to fraction form
    271,996.28/375,311.96 = 157,232.24/x
  3. Step 3: Cross multiply
    271,996.28x = 375,311.96 × 157,232.24
  4. Step 4: Simplify right side
    271,996.28x = 59,011,140,169.59
  5. Step 5: Solve for x
    x = 59,011,140,169.59/271,996.28
  6. Step 6: Final answer
    x = 216,955.69

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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.