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Finding the Fourth Proportional to 179,454.61, 269,228.64 and 67,143.61

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Solution

The fourth proportional to 179,454.61, 269,228.64 and 67,143.61 is: 100,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,454.61 : 269,228.64 = 67,143.61 : x
  2. Step 2: Convert to fraction form
    179,454.61/269,228.64 = 67,143.61/x
  3. Step 3: Cross multiply
    179,454.61x = 269,228.64 × 67,143.61
  4. Step 4: Simplify right side
    179,454.61x = 18,076,983,393.31
  5. Step 5: Solve for x
    x = 18,076,983,393.31/179,454.61
  6. Step 6: Final answer
    x = 100,732.90

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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.