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Finding the Fourth Proportional to 237,318.34, 356,223.55 and 158,980

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Solution

The fourth proportional to 237,318.34, 356,223.55 and 158,980 is: 238,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,318.34 : 356,223.55 = 158,980 : x
  2. Step 2: Convert to fraction form
    237,318.34/356,223.55 = 158,980/x
  3. Step 3: Cross multiply
    237,318.34x = 356,223.55 × 158,980
  4. Step 4: Simplify right side
    237,318.34x = 56,632,419,979
  5. Step 5: Solve for x
    x = 56,632,419,979/237,318.34
  6. Step 6: Final answer
    x = 238,634.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.