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Finding the Fourth Proportional to 111,890.70, 167,838.29 and 41,756.02

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Solution

The fourth proportional to 111,890.70, 167,838.29 and 41,756.02 is: 62,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,890.70 : 167,838.29 = 41,756.02 : x
  2. Step 2: Convert to fraction form
    111,890.70/167,838.29 = 41,756.02/x
  3. Step 3: Cross multiply
    111,890.70x = 167,838.29 × 41,756.02
  4. Step 4: Simplify right side
    111,890.70x = 7,008,258,994.01
  5. Step 5: Solve for x
    x = 7,008,258,994.01/111,890.70
  6. Step 6: Final answer
    x = 62,634.87

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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.