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Finding the Fourth Proportional to 133,999.90, 184,920.69 and 73,573.18

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Solution

The fourth proportional to 133,999.90, 184,920.69 and 73,573.18 is: 101,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,999.90 : 184,920.69 = 73,573.18 : x
  2. Step 2: Convert to fraction form
    133,999.90/184,920.69 = 73,573.18/x
  3. Step 3: Cross multiply
    133,999.90x = 184,920.69 × 73,573.18
  4. Step 4: Simplify right side
    133,999.90x = 13,605,203,211.09
  5. Step 5: Solve for x
    x = 13,605,203,211.09/133,999.90
  6. Step 6: Final answer
    x = 101,531.44

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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.