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Finding the Fourth Proportional to 183,203.88, 274,399.80 and 140,771.62

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Solution

The fourth proportional to 183,203.88, 274,399.80 and 140,771.62 is: 210,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,203.88 : 274,399.80 = 140,771.62 : x
  2. Step 2: Convert to fraction form
    183,203.88/274,399.80 = 140,771.62/x
  3. Step 3: Cross multiply
    183,203.88x = 274,399.80 × 140,771.62
  4. Step 4: Simplify right side
    183,203.88x = 38,627,704,980.62
  5. Step 5: Solve for x
    x = 38,627,704,980.62/183,203.88
  6. Step 6: Final answer
    x = 210,845.46

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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.