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Finding the Fourth Proportional to 133,521.94, 184,253.16 and 73,080.87

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Solution

The fourth proportional to 133,521.94, 184,253.16 and 73,080.87 is: 100,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,521.94 : 184,253.16 = 73,080.87 : x
  2. Step 2: Convert to fraction form
    133,521.94/184,253.16 = 73,080.87/x
  3. Step 3: Cross multiply
    133,521.94x = 184,253.16 × 73,080.87
  4. Step 4: Simplify right side
    133,521.94x = 13,465,381,233.05
  5. Step 5: Solve for x
    x = 13,465,381,233.05/133,521.94
  6. Step 6: Final answer
    x = 100,847.71

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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.