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Finding the Fourth Proportional to 252,924.32, 349,032.08 and 139,745.44

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Solution

The fourth proportional to 252,924.32, 349,032.08 and 139,745.44 is: 192,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,924.32 : 349,032.08 = 139,745.44 : x
  2. Step 2: Convert to fraction form
    252,924.32/349,032.08 = 139,745.44/x
  3. Step 3: Cross multiply
    252,924.32x = 349,032.08 × 139,745.44
  4. Step 4: Simplify right side
    252,924.32x = 48,775,641,593.72
  5. Step 5: Solve for x
    x = 48,775,641,593.72/252,924.32
  6. Step 6: Final answer
    x = 192,846.78

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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.