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Finding the Fourth Proportional to 133,690.94, 184,475.92 and 79,956.34

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Solution

The fourth proportional to 133,690.94, 184,475.92 and 79,956.34 is: 110,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,690.94 : 184,475.92 = 79,956.34 : x
  2. Step 2: Convert to fraction form
    133,690.94/184,475.92 = 79,956.34/x
  3. Step 3: Cross multiply
    133,690.94x = 184,475.92 × 79,956.34
  4. Step 4: Simplify right side
    133,690.94x = 14,750,019,381.33
  5. Step 5: Solve for x
    x = 14,750,019,381.33/133,690.94
  6. Step 6: Final answer
    x = 110,329.24

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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.