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Finding the Fourth Proportional to 133,791.06, 184,630.14 and 77,201.22

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Solution

The fourth proportional to 133,791.06, 184,630.14 and 77,201.22 is: 106,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,791.06 : 184,630.14 = 77,201.22 : x
  2. Step 2: Convert to fraction form
    133,791.06/184,630.14 = 77,201.22/x
  3. Step 3: Cross multiply
    133,791.06x = 184,630.14 × 77,201.22
  4. Step 4: Simplify right side
    133,791.06x = 14,253,672,056.77
  5. Step 5: Solve for x
    x = 14,253,672,056.77/133,791.06
  6. Step 6: Final answer
    x = 106,536.80

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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.