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Finding the Fourth Proportional to 254,963.04, 351,855.62 and 140,244.64

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Solution

The fourth proportional to 254,963.04, 351,855.62 and 140,244.64 is: 193,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,963.04 : 351,855.62 = 140,244.64 : x
  2. Step 2: Convert to fraction form
    254,963.04/351,855.62 = 140,244.64/x
  3. Step 3: Cross multiply
    254,963.04x = 351,855.62 × 140,244.64
  4. Step 4: Simplify right side
    254,963.04x = 49,345,864,229.85
  5. Step 5: Solve for x
    x = 49,345,864,229.85/254,963.04
  6. Step 6: Final answer
    x = 193,541.25

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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.