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Finding the Fourth Proportional to 177,307.88, 244,651.46 and 105,694.56

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Solution

The fourth proportional to 177,307.88, 244,651.46 and 105,694.56 is: 145,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,307.88 : 244,651.46 = 105,694.56 : x
  2. Step 2: Convert to fraction form
    177,307.88/244,651.46 = 105,694.56/x
  3. Step 3: Cross multiply
    177,307.88x = 244,651.46 × 105,694.56
  4. Step 4: Simplify right side
    177,307.88x = 25,858,328,418.06
  5. Step 5: Solve for x
    x = 25,858,328,418.06/177,307.88
  6. Step 6: Final answer
    x = 145,838.57

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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.