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Finding the Fourth Proportional to 105,626.88, 158,450.08 and 34,549.92

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Solution

The fourth proportional to 105,626.88, 158,450.08 and 34,549.92 is: 51,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,626.88 : 158,450.08 = 34,549.92 : x
  2. Step 2: Convert to fraction form
    105,626.88/158,450.08 = 34,549.92/x
  3. Step 3: Cross multiply
    105,626.88x = 158,450.08 × 34,549.92
  4. Step 4: Simplify right side
    105,626.88x = 5,474,436,795.74
  5. Step 5: Solve for x
    x = 5,474,436,795.74/105,626.88
  6. Step 6: Final answer
    x = 51,828.07

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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.