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Finding the Fourth Proportional to 133,864.32, 184,729.52 and 73,434.42

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Solution

The fourth proportional to 133,864.32, 184,729.52 and 73,434.42 is: 101,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,864.32 : 184,729.52 = 73,434.42 : x
  2. Step 2: Convert to fraction form
    133,864.32/184,729.52 = 73,434.42/x
  3. Step 3: Cross multiply
    133,864.32x = 184,729.52 × 73,434.42
  4. Step 4: Simplify right side
    133,864.32x = 13,565,505,158.08
  5. Step 5: Solve for x
    x = 13,565,505,158.08/133,864.32
  6. Step 6: Final answer
    x = 101,337.72

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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.