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Finding the Fourth Proportional to 238,073.84, 328,556.46 and 157,361.44

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Solution

The fourth proportional to 238,073.84, 328,556.46 and 157,361.44 is: 217,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,073.84 : 328,556.46 = 157,361.44 : x
  2. Step 2: Convert to fraction form
    238,073.84/328,556.46 = 157,361.44/x
  3. Step 3: Cross multiply
    238,073.84x = 328,556.46 × 157,361.44
  4. Step 4: Simplify right side
    238,073.84x = 51,702,117,666.90
  5. Step 5: Solve for x
    x = 51,702,117,666.90/238,073.84
  6. Step 6: Final answer
    x = 217,168.41

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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.