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Finding the Fourth Proportional to 268,161.67, 402,411.93 and 149,910.58

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Solution

The fourth proportional to 268,161.67, 402,411.93 and 149,910.58 is: 224,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,161.67 : 402,411.93 = 149,910.58 : x
  2. Step 2: Convert to fraction form
    268,161.67/402,411.93 = 149,910.58/x
  3. Step 3: Cross multiply
    268,161.67x = 402,411.93 × 149,910.58
  4. Step 4: Simplify right side
    268,161.67x = 60,325,805,825.22
  5. Step 5: Solve for x
    x = 60,325,805,825.22/268,161.67
  6. Step 6: Final answer
    x = 224,960.58

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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.