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Finding the Fourth Proportional to 270,375.76, 405,500.73 and 101,913.04

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Solution

The fourth proportional to 270,375.76, 405,500.73 and 101,913.04 is: 152,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,375.76 : 405,500.73 = 101,913.04 : x
  2. Step 2: Convert to fraction form
    270,375.76/405,500.73 = 101,913.04/x
  3. Step 3: Cross multiply
    270,375.76x = 405,500.73 × 101,913.04
  4. Step 4: Simplify right side
    270,375.76x = 41,325,812,116.52
  5. Step 5: Solve for x
    x = 41,325,812,116.52/270,375.76
  6. Step 6: Final answer
    x = 152,845.85

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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.