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Finding the Fourth Proportional to 101,475.96, 140,073.96 and 61,191.40

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Solution

The fourth proportional to 101,475.96, 140,073.96 and 61,191.40 is: 84,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.96 : 140,073.96 = 61,191.40 : x
  2. Step 2: Convert to fraction form
    101,475.96/140,073.96 = 61,191.40/x
  3. Step 3: Cross multiply
    101,475.96x = 140,073.96 × 61,191.40
  4. Step 4: Simplify right side
    101,475.96x = 8,571,321,715.94
  5. Step 5: Solve for x
    x = 8,571,321,715.94/101,475.96
  6. Step 6: Final answer
    x = 84,466.53

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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.