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Finding the Fourth Proportional to 133,697.82, 184,485.42 and 79,963.24

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Solution

The fourth proportional to 133,697.82, 184,485.42 and 79,963.24 is: 110,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,697.82 : 184,485.42 = 79,963.24 : x
  2. Step 2: Convert to fraction form
    133,697.82/184,485.42 = 79,963.24/x
  3. Step 3: Cross multiply
    133,697.82x = 184,485.42 × 79,963.24
  4. Step 4: Simplify right side
    133,697.82x = 14,752,051,915.96
  5. Step 5: Solve for x
    x = 14,752,051,915.96/133,697.82
  6. Step 6: Final answer
    x = 110,338.76

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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.