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Finding the Fourth Proportional to 254,144.64, 350,718.48 and 145,247.16

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Solution

The fourth proportional to 254,144.64, 350,718.48 and 145,247.16 is: 200,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,144.64 : 350,718.48 = 145,247.16 : x
  2. Step 2: Convert to fraction form
    254,144.64/350,718.48 = 145,247.16/x
  3. Step 3: Cross multiply
    254,144.64x = 350,718.48 × 145,247.16
  4. Step 4: Simplify right side
    254,144.64x = 50,940,863,179.52
  5. Step 5: Solve for x
    x = 50,940,863,179.52/254,144.64
  6. Step 6: Final answer
    x = 200,440.44

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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.