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Finding the Fourth Proportional to 374,568.52, 561,857.95 and 121,850.33

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Solution

The fourth proportional to 374,568.52, 561,857.95 and 121,850.33 is: 182,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,568.52 : 561,857.95 = 121,850.33 : x
  2. Step 2: Convert to fraction form
    374,568.52/561,857.95 = 121,850.33/x
  3. Step 3: Cross multiply
    374,568.52x = 561,857.95 × 121,850.33
  4. Step 4: Simplify right side
    374,568.52x = 68,462,576,620.62
  5. Step 5: Solve for x
    x = 68,462,576,620.62/374,568.52
  6. Step 6: Final answer
    x = 182,777.18

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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.