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Finding the Fourth Proportional to 363,900.20, 545,874.60 and 124,010.60

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Solution

The fourth proportional to 363,900.20, 545,874.60 and 124,010.60 is: 186,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,900.20 : 545,874.60 = 124,010.60 : x
  2. Step 2: Convert to fraction form
    363,900.20/545,874.60 = 124,010.60/x
  3. Step 3: Cross multiply
    363,900.20x = 545,874.60 × 124,010.60
  4. Step 4: Simplify right side
    363,900.20x = 67,694,236,670.76
  5. Step 5: Solve for x
    x = 67,694,236,670.76/363,900.20
  6. Step 6: Final answer
    x = 186,024.18

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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.