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Finding the Fourth Proportional to 173,218.84, 238,854.64 and 150,361.96

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Solution

The fourth proportional to 173,218.84, 238,854.64 and 150,361.96 is: 207,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,218.84 : 238,854.64 = 150,361.96 : x
  2. Step 2: Convert to fraction form
    173,218.84/238,854.64 = 150,361.96/x
  3. Step 3: Cross multiply
    173,218.84x = 238,854.64 × 150,361.96
  4. Step 4: Simplify right side
    173,218.84x = 35,914,651,825.49
  5. Step 5: Solve for x
    x = 35,914,651,825.49/173,218.84
  6. Step 6: Final answer
    x = 207,336.87

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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.