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Finding the Fourth Proportional to 122,094.90, 183,142.35 and 119,907.90

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Solution

The fourth proportional to 122,094.90, 183,142.35 and 119,907.90 is: 179,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,094.90 : 183,142.35 = 119,907.90 : x
  2. Step 2: Convert to fraction form
    122,094.90/183,142.35 = 119,907.90/x
  3. Step 3: Cross multiply
    122,094.90x = 183,142.35 × 119,907.90
  4. Step 4: Simplify right side
    122,094.90x = 21,960,214,589.57
  5. Step 5: Solve for x
    x = 21,960,214,589.57/122,094.90
  6. Step 6: Final answer
    x = 179,861.85

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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.