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Finding the Fourth Proportional to 123,333.44, 170,200.71 and 66,744.81

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Solution

The fourth proportional to 123,333.44, 170,200.71 and 66,744.81 is: 92,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,333.44 : 170,200.71 = 66,744.81 : x
  2. Step 2: Convert to fraction form
    123,333.44/170,200.71 = 66,744.81/x
  3. Step 3: Cross multiply
    123,333.44x = 170,200.71 × 66,744.81
  4. Step 4: Simplify right side
    123,333.44x = 11,360,014,050.82
  5. Step 5: Solve for x
    x = 11,360,014,050.82/123,333.44
  6. Step 6: Final answer
    x = 92,108.15

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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.