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Finding the Fourth Proportional to 403,900.16, 605,922.24 and 134,044.56

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Solution

The fourth proportional to 403,900.16, 605,922.24 and 134,044.56 is: 201,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,900.16 : 605,922.24 = 134,044.56 : x
  2. Step 2: Convert to fraction form
    403,900.16/605,922.24 = 134,044.56/x
  3. Step 3: Cross multiply
    403,900.16x = 605,922.24 × 134,044.56
  4. Step 4: Simplify right side
    403,900.16x = 81,220,580,055.01
  5. Step 5: Solve for x
    x = 81,220,580,055.01/403,900.16
  6. Step 6: Final answer
    x = 201,090.74

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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.