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Finding the Fourth Proportional to 133,664.80, 184,465.16 and 73,235.56

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Solution

The fourth proportional to 133,664.80, 184,465.16 and 73,235.56 is: 101,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,664.80 : 184,465.16 = 73,235.56 : x
  2. Step 2: Convert to fraction form
    133,664.80/184,465.16 = 73,235.56/x
  3. Step 3: Cross multiply
    133,664.80x = 184,465.16 × 73,235.56
  4. Step 4: Simplify right side
    133,664.80x = 13,509,409,293.09
  5. Step 5: Solve for x
    x = 13,509,409,293.09/133,664.80
  6. Step 6: Final answer
    x = 101,069.31

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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.