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Finding the Fourth Proportional to 254,550.76, 351,274.98 and 141,369.64

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Solution

The fourth proportional to 254,550.76, 351,274.98 and 141,369.64 is: 195,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,550.76 : 351,274.98 = 141,369.64 : x
  2. Step 2: Convert to fraction form
    254,550.76/351,274.98 = 141,369.64/x
  3. Step 3: Cross multiply
    254,550.76x = 351,274.98 × 141,369.64
  4. Step 4: Simplify right side
    254,550.76x = 49,659,617,463.61
  5. Step 5: Solve for x
    x = 49,659,617,463.61/254,550.76
  6. Step 6: Final answer
    x = 195,087.29

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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.