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Finding the Fourth Proportional to 183,558, 253,453.40 and 119,057.90

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Solution

The fourth proportional to 183,558, 253,453.40 and 119,057.90 is: 164,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,558 : 253,453.40 = 119,057.90 : x
  2. Step 2: Convert to fraction form
    183,558/253,453.40 = 119,057.90/x
  3. Step 3: Cross multiply
    183,558x = 253,453.40 × 119,057.90
  4. Step 4: Simplify right side
    183,558x = 30,175,627,689.30
  5. Step 5: Solve for x
    x = 30,175,627,689.30/183,558
  6. Step 6: Final answer
    x = 164,392.88

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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.