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Finding the Fourth Proportional to 89,885.34, 134,723.04 and 67,627.26

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Solution

The fourth proportional to 89,885.34, 134,723.04 and 67,627.26 is: 101,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,885.34 : 134,723.04 = 67,627.26 : x
  2. Step 2: Convert to fraction form
    89,885.34/134,723.04 = 67,627.26/x
  3. Step 3: Cross multiply
    89,885.34x = 134,723.04 × 67,627.26
  4. Step 4: Simplify right side
    89,885.34x = 9,110,950,054.07
  5. Step 5: Solve for x
    x = 9,110,950,054.07/89,885.34
  6. Step 6: Final answer
    x = 101,361.91

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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.