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Finding the Fourth Proportional to 119,937.66, 179,907.11 and 49,817.04

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Solution

The fourth proportional to 119,937.66, 179,907.11 and 49,817.04 is: 74,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,937.66 : 179,907.11 = 49,817.04 : x
  2. Step 2: Convert to fraction form
    119,937.66/179,907.11 = 49,817.04/x
  3. Step 3: Cross multiply
    119,937.66x = 179,907.11 × 49,817.04
  4. Step 4: Simplify right side
    119,937.66x = 8,962,439,446.07
  5. Step 5: Solve for x
    x = 8,962,439,446.07/119,937.66
  6. Step 6: Final answer
    x = 74,725.82

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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.