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Finding the Fourth Proportional to 133,797.91, 184,646.96 and 80,072.71

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Solution

The fourth proportional to 133,797.91, 184,646.96 and 80,072.71 is: 110,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,797.91 : 184,646.96 = 80,072.71 : x
  2. Step 2: Convert to fraction form
    133,797.91/184,646.96 = 80,072.71/x
  3. Step 3: Cross multiply
    133,797.91x = 184,646.96 × 80,072.71
  4. Step 4: Simplify right side
    133,797.91x = 14,785,182,480.46
  5. Step 5: Solve for x
    x = 14,785,182,480.46/133,797.91
  6. Step 6: Final answer
    x = 110,503.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.