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Finding the Fourth Proportional to 133,657.81, 184,447.78 and 73,230.74

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Solution

The fourth proportional to 133,657.81, 184,447.78 and 73,230.74 is: 101,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,657.81 : 184,447.78 = 73,230.74 : x
  2. Step 2: Convert to fraction form
    133,657.81/184,447.78 = 73,230.74/x
  3. Step 3: Cross multiply
    133,657.81x = 184,447.78 × 73,230.74
  4. Step 4: Simplify right side
    133,657.81x = 13,507,247,054.60
  5. Step 5: Solve for x
    x = 13,507,247,054.60/133,657.81
  6. Step 6: Final answer
    x = 101,058.42

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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.