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Finding the Fourth Proportional to 254,794.62, 351,621.06 and 140,078.10

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Solution

The fourth proportional to 254,794.62, 351,621.06 and 140,078.10 is: 193,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,794.62 : 351,621.06 = 140,078.10 : x
  2. Step 2: Convert to fraction form
    254,794.62/351,621.06 = 140,078.10/x
  3. Step 3: Cross multiply
    254,794.62x = 351,621.06 × 140,078.10
  4. Step 4: Simplify right side
    254,794.62x = 49,254,410,004.79
  5. Step 5: Solve for x
    x = 49,254,410,004.79/254,794.62
  6. Step 6: Final answer
    x = 193,310.24

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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.