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Finding the Fourth Proportional to 94,130.69, 140,843.09 and 56,040.62

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Solution

The fourth proportional to 94,130.69, 140,843.09 and 56,040.62 is: 83,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,130.69 : 140,843.09 = 56,040.62 : x
  2. Step 2: Convert to fraction form
    94,130.69/140,843.09 = 56,040.62/x
  3. Step 3: Cross multiply
    94,130.69x = 140,843.09 × 56,040.62
  4. Step 4: Simplify right side
    94,130.69x = 7,892,933,522.20
  5. Step 5: Solve for x
    x = 7,892,933,522.20/94,130.69
  6. Step 6: Final answer
    x = 83,850.80

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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.