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Finding the Fourth Proportional to 133,805.54, 184,651.52 and 72,553.74

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Solution

The fourth proportional to 133,805.54, 184,651.52 and 72,553.74 is: 100,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,805.54 : 184,651.52 = 72,553.74 : x
  2. Step 2: Convert to fraction form
    133,805.54/184,651.52 = 72,553.74/x
  3. Step 3: Cross multiply
    133,805.54x = 184,651.52 × 72,553.74
  4. Step 4: Simplify right side
    133,805.54x = 13,397,158,009.92
  5. Step 5: Solve for x
    x = 13,397,158,009.92/133,805.54
  6. Step 6: Final answer
    x = 100,124.09

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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.