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Finding the Fourth Proportional to 133,770, 184,601.36 and 73,344

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Solution

The fourth proportional to 133,770, 184,601.36 and 73,344 is: 101,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,770 : 184,601.36 = 73,344 : x
  2. Step 2: Convert to fraction form
    133,770/184,601.36 = 73,344/x
  3. Step 3: Cross multiply
    133,770x = 184,601.36 × 73,344
  4. Step 4: Simplify right side
    133,770x = 13,539,402,147.84
  5. Step 5: Solve for x
    x = 13,539,402,147.84/133,770
  6. Step 6: Final answer
    x = 101,214.04

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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.