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Finding the Fourth Proportional to 133,687.66, 184,489.20 and 73,248.70

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Solution

The fourth proportional to 133,687.66, 184,489.20 and 73,248.70 is: 101,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.66 : 184,489.20 = 73,248.70 : x
  2. Step 2: Convert to fraction form
    133,687.66/184,489.20 = 73,248.70/x
  3. Step 3: Cross multiply
    133,687.66x = 184,489.20 × 73,248.70
  4. Step 4: Simplify right side
    133,687.66x = 13,513,594,064.04
  5. Step 5: Solve for x
    x = 13,513,594,064.04/133,687.66
  6. Step 6: Final answer
    x = 101,083.33

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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.