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Finding the Fourth Proportional to 441,427.86, 662,147.86 and 125,884.80

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Solution

The fourth proportional to 441,427.86, 662,147.86 and 125,884.80 is: 188,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,427.86 : 662,147.86 = 125,884.80 : x
  2. Step 2: Convert to fraction form
    441,427.86/662,147.86 = 125,884.80/x
  3. Step 3: Cross multiply
    441,427.86x = 662,147.86 × 125,884.80
  4. Step 4: Simplify right side
    441,427.86x = 83,354,350,926.53
  5. Step 5: Solve for x
    x = 83,354,350,926.53/441,427.86
  6. Step 6: Final answer
    x = 188,828.93

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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.