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Finding the Fourth Proportional to 254,212.54, 350,801.54 and 139,488.32

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Solution

The fourth proportional to 254,212.54, 350,801.54 and 139,488.32 is: 192,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,212.54 : 350,801.54 = 139,488.32 : x
  2. Step 2: Convert to fraction form
    254,212.54/350,801.54 = 139,488.32/x
  3. Step 3: Cross multiply
    254,212.54x = 350,801.54 × 139,488.32
  4. Step 4: Simplify right side
    254,212.54x = 48,932,718,170.66
  5. Step 5: Solve for x
    x = 48,932,718,170.66/254,212.54
  6. Step 6: Final answer
    x = 192,487.43

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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.