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Finding the Fourth Proportional to 133,689.44, 184,473.84 and 79,954.84

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Solution

The fourth proportional to 133,689.44, 184,473.84 and 79,954.84 is: 110,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,689.44 : 184,473.84 = 79,954.84 : x
  2. Step 2: Convert to fraction form
    133,689.44/184,473.84 = 79,954.84/x
  3. Step 3: Cross multiply
    133,689.44x = 184,473.84 × 79,954.84
  4. Step 4: Simplify right side
    133,689.44x = 14,749,576,361.39
  5. Step 5: Solve for x
    x = 14,749,576,361.39/133,689.44
  6. Step 6: Final answer
    x = 110,327.16

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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.