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Finding the Fourth Proportional to 103,850.20, 155,848.20 and 44,728.30

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Solution

The fourth proportional to 103,850.20, 155,848.20 and 44,728.30 is: 67,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,850.20 : 155,848.20 = 44,728.30 : x
  2. Step 2: Convert to fraction form
    103,850.20/155,848.20 = 44,728.30/x
  3. Step 3: Cross multiply
    103,850.20x = 155,848.20 × 44,728.30
  4. Step 4: Simplify right side
    103,850.20x = 6,970,825,044.06
  5. Step 5: Solve for x
    x = 6,970,825,044.06/103,850.20
  6. Step 6: Final answer
    x = 67,123.85

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1.5x scale

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.