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Finding the Fourth Proportional to 235,067.34, 324,347.31 and 139,603.98

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Solution

The fourth proportional to 235,067.34, 324,347.31 and 139,603.98 is: 192,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,067.34 : 324,347.31 = 139,603.98 : x
  2. Step 2: Convert to fraction form
    235,067.34/324,347.31 = 139,603.98/x
  3. Step 3: Cross multiply
    235,067.34x = 324,347.31 × 139,603.98
  4. Step 4: Simplify right side
    235,067.34x = 45,280,175,378.29
  5. Step 5: Solve for x
    x = 45,280,175,378.29/235,067.34
  6. Step 6: Final answer
    x = 192,626.40

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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.