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Finding the Fourth Proportional to 139,234.52, 208,871.22 and 69,095

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Solution

The fourth proportional to 139,234.52, 208,871.22 and 69,095 is: 103,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,234.52 : 208,871.22 = 69,095 : x
  2. Step 2: Convert to fraction form
    139,234.52/208,871.22 = 69,095/x
  3. Step 3: Cross multiply
    139,234.52x = 208,871.22 × 69,095
  4. Step 4: Simplify right side
    139,234.52x = 14,431,956,945.90
  5. Step 5: Solve for x
    x = 14,431,956,945.90/139,234.52
  6. Step 6: Final answer
    x = 103,652.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.