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Finding the Fourth Proportional to 183,940.38, 253,839.40 and 111,344.94

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Solution

The fourth proportional to 183,940.38, 253,839.40 and 111,344.94 is: 153,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,940.38 : 253,839.40 = 111,344.94 : x
  2. Step 2: Convert to fraction form
    183,940.38/253,839.40 = 111,344.94/x
  3. Step 3: Cross multiply
    183,940.38x = 253,839.40 × 111,344.94
  4. Step 4: Simplify right side
    183,940.38x = 28,263,732,762.64
  5. Step 5: Solve for x
    x = 28,263,732,762.64/183,940.38
  6. Step 6: Final answer
    x = 153,657.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.