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Finding the Fourth Proportional to 416,781.89, 625,172.84 and 101,236.67

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Solution

The fourth proportional to 416,781.89, 625,172.84 and 101,236.67 is: 151,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,781.89 : 625,172.84 = 101,236.67 : x
  2. Step 2: Convert to fraction form
    416,781.89/625,172.84 = 101,236.67/x
  3. Step 3: Cross multiply
    416,781.89x = 625,172.84 × 101,236.67
  4. Step 4: Simplify right side
    416,781.89x = 63,290,415,989.86
  5. Step 5: Solve for x
    x = 63,290,415,989.86/416,781.89
  6. Step 6: Final answer
    x = 151,855.01

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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.