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Finding the Fourth Proportional to 238,983.53, 329,797.17 and 131,553

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Solution

The fourth proportional to 238,983.53, 329,797.17 and 131,553 is: 181,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,983.53 : 329,797.17 = 131,553 : x
  2. Step 2: Convert to fraction form
    238,983.53/329,797.17 = 131,553/x
  3. Step 3: Cross multiply
    238,983.53x = 329,797.17 × 131,553
  4. Step 4: Simplify right side
    238,983.53x = 43,385,807,105.01
  5. Step 5: Solve for x
    x = 43,385,807,105.01/238,983.53
  6. Step 6: Final answer
    x = 181,543.09

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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.