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Finding the Fourth Proportional to 133,504.81, 184,236.80 and 73,079.28

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Solution

The fourth proportional to 133,504.81, 184,236.80 and 73,079.28 is: 100,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,504.81 : 184,236.80 = 73,079.28 : x
  2. Step 2: Convert to fraction form
    133,504.81/184,236.80 = 73,079.28/x
  3. Step 3: Cross multiply
    133,504.81x = 184,236.80 × 73,079.28
  4. Step 4: Simplify right side
    133,504.81x = 13,463,892,328.11
  5. Step 5: Solve for x
    x = 13,463,892,328.11/133,504.81
  6. Step 6: Final answer
    x = 100,849.49

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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.