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Finding the Fourth Proportional to 77,346.94, 115,954.24 and 35,211.96

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Solution

The fourth proportional to 77,346.94, 115,954.24 and 35,211.96 is: 52,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346.94 : 115,954.24 = 35,211.96 : x
  2. Step 2: Convert to fraction form
    77,346.94/115,954.24 = 35,211.96/x
  3. Step 3: Cross multiply
    77,346.94x = 115,954.24 × 35,211.96
  4. Step 4: Simplify right side
    77,346.94x = 4,082,975,392.91
  5. Step 5: Solve for x
    x = 4,082,975,392.91/77,346.94
  6. Step 6: Final answer
    x = 52,787.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.