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Finding the Fourth Proportional to 254,755.56, 351,574.38 and 141,571.56

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Solution

The fourth proportional to 254,755.56, 351,574.38 and 141,571.56 is: 195,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,755.56 : 351,574.38 = 141,571.56 : x
  2. Step 2: Convert to fraction form
    254,755.56/351,574.38 = 141,571.56/x
  3. Step 3: Cross multiply
    254,755.56x = 351,574.38 × 141,571.56
  4. Step 4: Simplify right side
    254,755.56x = 49,772,933,432.63
  5. Step 5: Solve for x
    x = 49,772,933,432.63/254,755.56
  6. Step 6: Final answer
    x = 195,375.26

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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.