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Finding the Fourth Proportional to 416,777.02, 625,165.53 and 101,231.80

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Solution

The fourth proportional to 416,777.02, 625,165.53 and 101,231.80 is: 151,847.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,777.02 : 625,165.53 = 101,231.80 : x
  2. Step 2: Convert to fraction form
    416,777.02/625,165.53 = 101,231.80/x
  3. Step 3: Cross multiply
    416,777.02x = 625,165.53 × 101,231.80
  4. Step 4: Simplify right side
    416,777.02x = 63,286,628,774.03
  5. Step 5: Solve for x
    x = 63,286,628,774.03/416,777.02
  6. Step 6: Final answer
    x = 151,847.69

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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.