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Finding the Fourth Proportional to 254,757.97, 351,557.44 and 141,578.29

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Solution

The fourth proportional to 254,757.97, 351,557.44 and 141,578.29 is: 195,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,757.97 : 351,557.44 = 141,578.29 : x
  2. Step 2: Convert to fraction form
    254,757.97/351,557.44 = 141,578.29/x
  3. Step 3: Cross multiply
    254,757.97x = 351,557.44 × 141,578.29
  4. Step 4: Simplify right side
    254,757.97x = 49,772,901,191.98
  5. Step 5: Solve for x
    x = 49,772,901,191.98/254,757.97
  6. Step 6: Final answer
    x = 195,373.28

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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.