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Finding the Fourth Proportional to 183,515.88, 253,105.83 and 151,629.42

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Solution

The fourth proportional to 183,515.88, 253,105.83 and 151,629.42 is: 209,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,515.88 : 253,105.83 = 151,629.42 : x
  2. Step 2: Convert to fraction form
    183,515.88/253,105.83 = 151,629.42/x
  3. Step 3: Cross multiply
    183,515.88x = 253,105.83 × 151,629.42
  4. Step 4: Simplify right side
    183,515.88x = 38,378,290,201.52
  5. Step 5: Solve for x
    x = 38,378,290,201.52/183,515.88
  6. Step 6: Final answer
    x = 209,127.90

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1.5x scale

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.