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Finding the Fourth Proportional to 133,999.44, 184,920 and 73,572.72

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Solution

The fourth proportional to 133,999.44, 184,920 and 73,572.72 is: 101,530.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,999.44 : 184,920 = 73,572.72 : x
  2. Step 2: Convert to fraction form
    133,999.44/184,920 = 73,572.72/x
  3. Step 3: Cross multiply
    133,999.44x = 184,920 × 73,572.72
  4. Step 4: Simplify right side
    133,999.44x = 13,605,067,382.40
  5. Step 5: Solve for x
    x = 13,605,067,382.40/133,999.44
  6. Step 6: Final answer
    x = 101,530.78

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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.