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Finding the Fourth Proportional to 107,494.26, 148,408.47 and 69,267.30

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Solution

The fourth proportional to 107,494.26, 148,408.47 and 69,267.30 is: 95,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,494.26 : 148,408.47 = 69,267.30 : x
  2. Step 2: Convert to fraction form
    107,494.26/148,408.47 = 69,267.30/x
  3. Step 3: Cross multiply
    107,494.26x = 148,408.47 × 69,267.30
  4. Step 4: Simplify right side
    107,494.26x = 10,279,854,014.03
  5. Step 5: Solve for x
    x = 10,279,854,014.03/107,494.26
  6. Step 6: Final answer
    x = 95,631.66

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