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Finding the Fourth Proportional to 133,881.62, 184,755.58 and 77,324.18

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Solution

The fourth proportional to 133,881.62, 184,755.58 and 77,324.18 is: 106,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,881.62 : 184,755.58 = 77,324.18 : x
  2. Step 2: Convert to fraction form
    133,881.62/184,755.58 = 77,324.18/x
  3. Step 3: Cross multiply
    133,881.62x = 184,755.58 × 77,324.18
  4. Step 4: Simplify right side
    133,881.62x = 14,286,073,723.92
  5. Step 5: Solve for x
    x = 14,286,073,723.92/133,881.62
  6. Step 6: Final answer
    x = 106,706.76

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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.