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Finding the Fourth Proportional to 254,777.32, 382,165.44 and 67,788.82

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Solution

The fourth proportional to 254,777.32, 382,165.44 and 67,788.82 is: 101,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,777.32 : 382,165.44 = 67,788.82 : x
  2. Step 2: Convert to fraction form
    254,777.32/382,165.44 = 67,788.82/x
  3. Step 3: Cross multiply
    254,777.32x = 382,165.44 × 67,788.82
  4. Step 4: Simplify right side
    254,777.32x = 25,906,544,222.38
  5. Step 5: Solve for x
    x = 25,906,544,222.38/254,777.32
  6. Step 6: Final answer
    x = 101,683.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.