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Finding the Fourth Proportional to 111,303.54, 166,963.03 and 44,743.70

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Solution

The fourth proportional to 111,303.54, 166,963.03 and 44,743.70 is: 67,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,303.54 : 166,963.03 = 44,743.70 : x
  2. Step 2: Convert to fraction form
    111,303.54/166,963.03 = 44,743.70/x
  3. Step 3: Cross multiply
    111,303.54x = 166,963.03 × 44,743.70
  4. Step 4: Simplify right side
    111,303.54x = 7,470,543,725.41
  5. Step 5: Solve for x
    x = 7,470,543,725.41/111,303.54
  6. Step 6: Final answer
    x = 67,118.65

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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.