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Finding the Fourth Proportional to 254,745.78, 351,521.24 and 147,299.54

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Solution

The fourth proportional to 254,745.78, 351,521.24 and 147,299.54 is: 203,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,745.78 : 351,521.24 = 147,299.54 : x
  2. Step 2: Convert to fraction form
    254,745.78/351,521.24 = 147,299.54/x
  3. Step 3: Cross multiply
    254,745.78x = 351,521.24 × 147,299.54
  4. Step 4: Simplify right side
    254,745.78x = 51,778,916,952.23
  5. Step 5: Solve for x
    x = 51,778,916,952.23/254,745.78
  6. Step 6: Final answer
    x = 203,257.21

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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.