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Finding the Fourth Proportional to 361,211.31, 541,852.61 and 124,522.83

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Solution

The fourth proportional to 361,211.31, 541,852.61 and 124,522.83 is: 186,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,211.31 : 541,852.61 = 124,522.83 : x
  2. Step 2: Convert to fraction form
    361,211.31/541,852.61 = 124,522.83/x
  3. Step 3: Cross multiply
    361,211.31x = 541,852.61 × 124,522.83
  4. Step 4: Simplify right side
    361,211.31x = 67,473,019,817.47
  5. Step 5: Solve for x
    x = 67,473,019,817.47/361,211.31
  6. Step 6: Final answer
    x = 186,796.53

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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.