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Finding the Fourth Proportional to 179,305.58, 268,977.78 and 67,039.58

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Solution

The fourth proportional to 179,305.58, 268,977.78 and 67,039.58 is: 100,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,305.58 : 268,977.78 = 67,039.58 : x
  2. Step 2: Convert to fraction form
    179,305.58/268,977.78 = 67,039.58/x
  3. Step 3: Cross multiply
    179,305.58x = 268,977.78 × 67,039.58
  4. Step 4: Simplify right side
    179,305.58x = 18,032,157,400.53
  5. Step 5: Solve for x
    x = 18,032,157,400.53/179,305.58
  6. Step 6: Final answer
    x = 100,566.63

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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.