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Finding the Fourth Proportional to 361,223.58, 541,861.32 and 124,562.84

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Solution

The fourth proportional to 361,223.58, 541,861.32 and 124,562.84 is: 186,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,223.58 : 541,861.32 = 124,562.84 : x
  2. Step 2: Convert to fraction form
    361,223.58/541,861.32 = 124,562.84/x
  3. Step 3: Cross multiply
    361,223.58x = 541,861.32 × 124,562.84
  4. Step 4: Simplify right side
    361,223.58x = 67,495,784,905.35
  5. Step 5: Solve for x
    x = 67,495,784,905.35/361,223.58
  6. Step 6: Final answer
    x = 186,853.21

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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.