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Finding the Fourth Proportional to 111,913.84, 167,871.36 and 41,792.56

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Solution

The fourth proportional to 111,913.84, 167,871.36 and 41,792.56 is: 62,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,913.84 : 167,871.36 = 41,792.56 : x
  2. Step 2: Convert to fraction form
    111,913.84/167,871.36 = 41,792.56/x
  3. Step 3: Cross multiply
    111,913.84x = 167,871.36 × 41,792.56
  4. Step 4: Simplify right side
    111,913.84x = 7,015,773,885.08
  5. Step 5: Solve for x
    x = 7,015,773,885.08/111,913.84
  6. Step 6: Final answer
    x = 62,689.06

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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.