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Finding the Fourth Proportional to 133,559.78, 184,305.42 and 73,118.84

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Solution

The fourth proportional to 133,559.78, 184,305.42 and 73,118.84 is: 100,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,559.78 : 184,305.42 = 73,118.84 : x
  2. Step 2: Convert to fraction form
    133,559.78/184,305.42 = 73,118.84/x
  3. Step 3: Cross multiply
    133,559.78x = 184,305.42 × 73,118.84
  4. Step 4: Simplify right side
    133,559.78x = 13,476,198,516.11
  5. Step 5: Solve for x
    x = 13,476,198,516.11/133,559.78
  6. Step 6: Final answer
    x = 100,900.13

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1.5x scale

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.