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Finding the Fourth Proportional to 181,843.20, 272,764.80 and 57,222.40

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Solution

The fourth proportional to 181,843.20, 272,764.80 and 57,222.40 is: 85,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,843.20 : 272,764.80 = 57,222.40 : x
  2. Step 2: Convert to fraction form
    181,843.20/272,764.80 = 57,222.40/x
  3. Step 3: Cross multiply
    181,843.20x = 272,764.80 × 57,222.40
  4. Step 4: Simplify right side
    181,843.20x = 15,608,256,491.52
  5. Step 5: Solve for x
    x = 15,608,256,491.52/181,843.20
  6. Step 6: Final answer
    x = 85,833.60

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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.