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Finding the Fourth Proportional to 133,863.32, 184,732.80 and 73,434.08

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Solution

The fourth proportional to 133,863.32, 184,732.80 and 73,434.08 is: 101,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,863.32 : 184,732.80 = 73,434.08 : x
  2. Step 2: Convert to fraction form
    133,863.32/184,732.80 = 73,434.08/x
  3. Step 3: Cross multiply
    133,863.32x = 184,732.80 × 73,434.08
  4. Step 4: Simplify right side
    133,863.32x = 13,565,683,213.82
  5. Step 5: Solve for x
    x = 13,565,683,213.82/133,863.32
  6. Step 6: Final answer
    x = 101,339.81

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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.