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Finding the Fourth Proportional to 133,612.88, 184,380.37 and 79,927.56

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Solution

The fourth proportional to 133,612.88, 184,380.37 and 79,927.56 is: 110,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.88 : 184,380.37 = 79,927.56 : x
  2. Step 2: Convert to fraction form
    133,612.88/184,380.37 = 79,927.56/x
  3. Step 3: Cross multiply
    133,612.88x = 184,380.37 × 79,927.56
  4. Step 4: Simplify right side
    133,612.88x = 14,737,072,886.18
  5. Step 5: Solve for x
    x = 14,737,072,886.18/133,612.88
  6. Step 6: Final answer
    x = 110,296.80

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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.