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Finding the Fourth Proportional to 101,103.06, 139,566.96 and 65,310.52

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Solution

The fourth proportional to 101,103.06, 139,566.96 and 65,310.52 is: 90,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,103.06 : 139,566.96 = 65,310.52 : x
  2. Step 2: Convert to fraction form
    101,103.06/139,566.96 = 65,310.52/x
  3. Step 3: Cross multiply
    101,103.06x = 139,566.96 × 65,310.52
  4. Step 4: Simplify right side
    101,103.06x = 9,115,190,732.42
  5. Step 5: Solve for x
    x = 9,115,190,732.42/101,103.06
  6. Step 6: Final answer
    x = 90,157.42

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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.