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Finding the Fourth Proportional to 133,821.62, 184,660.53 and 77,251.22

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Solution

The fourth proportional to 133,821.62, 184,660.53 and 77,251.22 is: 106,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.62 : 184,660.53 = 77,251.22 : x
  2. Step 2: Convert to fraction form
    133,821.62/184,660.53 = 77,251.22/x
  3. Step 3: Cross multiply
    133,821.62x = 184,660.53 × 77,251.22
  4. Step 4: Simplify right side
    133,821.62x = 14,265,251,228.35
  5. Step 5: Solve for x
    x = 14,265,251,228.35/133,821.62
  6. Step 6: Final answer
    x = 106,599.00

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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.