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Finding the Fourth Proportional to 181,469.94, 272,260.20 and 92,785.74

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Solution

The fourth proportional to 181,469.94, 272,260.20 and 92,785.74 is: 139,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,469.94 : 272,260.20 = 92,785.74 : x
  2. Step 2: Convert to fraction form
    181,469.94/272,260.20 = 92,785.74/x
  3. Step 3: Cross multiply
    181,469.94x = 272,260.20 × 92,785.74
  4. Step 4: Simplify right side
    181,469.94x = 25,261,864,129.55
  5. Step 5: Solve for x
    x = 25,261,864,129.55/181,469.94
  6. Step 6: Final answer
    x = 139,206.88

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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.