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Finding the Fourth Proportional to 124,225.70, 171,438.32 and 73,268.30

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Solution

The fourth proportional to 124,225.70, 171,438.32 and 73,268.30 is: 101,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,225.70 : 171,438.32 = 73,268.30 : x
  2. Step 2: Convert to fraction form
    124,225.70/171,438.32 = 73,268.30/x
  3. Step 3: Cross multiply
    124,225.70x = 171,438.32 × 73,268.30
  4. Step 4: Simplify right side
    124,225.70x = 12,560,993,908.68
  5. Step 5: Solve for x
    x = 12,560,993,908.68/124,225.70
  6. Step 6: Final answer
    x = 101,114.29

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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.