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Finding the Fourth Proportional to 179,483.20, 269,222.40 and 54,824.80

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Solution

The fourth proportional to 179,483.20, 269,222.40 and 54,824.80 is: 82,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,483.20 : 269,222.40 = 54,824.80 : x
  2. Step 2: Convert to fraction form
    179,483.20/269,222.40 = 54,824.80/x
  3. Step 3: Cross multiply
    179,483.20x = 269,222.40 × 54,824.80
  4. Step 4: Simplify right side
    179,483.20x = 14,760,064,235.52
  5. Step 5: Solve for x
    x = 14,760,064,235.52/179,483.20
  6. Step 6: Final answer
    x = 82,236.47

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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.