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Finding the Fourth Proportional to 133,434.76, 184,291.14 and 90,919.48

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Solution

The fourth proportional to 133,434.76, 184,291.14 and 90,919.48 is: 125,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,434.76 : 184,291.14 = 90,919.48 : x
  2. Step 2: Convert to fraction form
    133,434.76/184,291.14 = 90,919.48/x
  3. Step 3: Cross multiply
    133,434.76x = 184,291.14 × 90,919.48
  4. Step 4: Simplify right side
    133,434.76x = 16,755,654,617.41
  5. Step 5: Solve for x
    x = 16,755,654,617.41/133,434.76
  6. Step 6: Final answer
    x = 125,571.89

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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.