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Finding the Fourth Proportional to 183,791.80, 275,946.90 and 113,807.80

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Solution

The fourth proportional to 183,791.80, 275,946.90 and 113,807.80 is: 170,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,791.80 : 275,946.90 = 113,807.80 : x
  2. Step 2: Convert to fraction form
    183,791.80/275,946.90 = 113,807.80/x
  3. Step 3: Cross multiply
    183,791.80x = 275,946.90 × 113,807.80
  4. Step 4: Simplify right side
    183,791.80x = 31,404,909,605.82
  5. Step 5: Solve for x
    x = 31,404,909,605.82/183,791.80
  6. Step 6: Final answer
    x = 170,872.20

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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.