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Finding the Fourth Proportional to 274,750.74, 411,793.88 and 141,558.30

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Solution

The fourth proportional to 274,750.74, 411,793.88 and 141,558.30 is: 212,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,750.74 : 411,793.88 = 141,558.30 : x
  2. Step 2: Convert to fraction form
    274,750.74/411,793.88 = 141,558.30/x
  3. Step 3: Cross multiply
    274,750.74x = 411,793.88 × 141,558.30
  4. Step 4: Simplify right side
    274,750.74x = 58,292,840,895.41
  5. Step 5: Solve for x
    x = 58,292,840,895.41/274,750.74
  6. Step 6: Final answer
    x = 212,166.27

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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.