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Finding the Fourth Proportional to 125,568.59, 188,353.25 and 30,799.22

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Solution

The fourth proportional to 125,568.59, 188,353.25 and 30,799.22 is: 46,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.59 : 188,353.25 = 30,799.22 : x
  2. Step 2: Convert to fraction form
    125,568.59/188,353.25 = 30,799.22/x
  3. Step 3: Cross multiply
    125,568.59x = 188,353.25 × 30,799.22
  4. Step 4: Simplify right side
    125,568.59x = 5,801,133,030.47
  5. Step 5: Solve for x
    x = 5,801,133,030.47/125,568.59
  6. Step 6: Final answer
    x = 46,198.92

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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.