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Finding the Fourth Proportional to 122,589.84, 183,870.99 and 33,855.96

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Solution

The fourth proportional to 122,589.84, 183,870.99 and 33,855.96 is: 50,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,589.84 : 183,870.99 = 33,855.96 : x
  2. Step 2: Convert to fraction form
    122,589.84/183,870.99 = 33,855.96/x
  3. Step 3: Cross multiply
    122,589.84x = 183,870.99 × 33,855.96
  4. Step 4: Simplify right side
    122,589.84x = 6,225,128,882.60
  5. Step 5: Solve for x
    x = 6,225,128,882.60/122,589.84
  6. Step 6: Final answer
    x = 50,780.14

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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.