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Finding the Fourth Proportional to 158,361.22, 218,560.22 and 97,096.57

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Solution

The fourth proportional to 158,361.22, 218,560.22 and 97,096.57 is: 134,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,361.22 : 218,560.22 = 97,096.57 : x
  2. Step 2: Convert to fraction form
    158,361.22/218,560.22 = 97,096.57/x
  3. Step 3: Cross multiply
    158,361.22x = 218,560.22 × 97,096.57
  4. Step 4: Simplify right side
    158,361.22x = 21,221,447,396.79
  5. Step 5: Solve for x
    x = 21,221,447,396.79/158,361.22
  6. Step 6: Final answer
    x = 134,006.59

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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.