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Finding the Fourth Proportional to 67,361.51, 92,920.29 and 42,167.27

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Solution

The fourth proportional to 67,361.51, 92,920.29 and 42,167.27 is: 58,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,361.51 : 92,920.29 = 42,167.27 : x
  2. Step 2: Convert to fraction form
    67,361.51/92,920.29 = 42,167.27/x
  3. Step 3: Cross multiply
    67,361.51x = 92,920.29 × 42,167.27
  4. Step 4: Simplify right side
    67,361.51x = 3,918,194,956.91
  5. Step 5: Solve for x
    x = 3,918,194,956.91/67,361.51
  6. Step 6: Final answer
    x = 58,166.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.