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Finding the Fourth Proportional to 123,460.34, 170,372.81 and 69,012.24

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Solution

The fourth proportional to 123,460.34, 170,372.81 and 69,012.24 is: 95,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,460.34 : 170,372.81 = 69,012.24 : x
  2. Step 2: Convert to fraction form
    123,460.34/170,372.81 = 69,012.24/x
  3. Step 3: Cross multiply
    123,460.34x = 170,372.81 × 69,012.24
  4. Step 4: Simplify right side
    123,460.34x = 11,757,809,253.19
  5. Step 5: Solve for x
    x = 11,757,809,253.19/123,460.34
  6. Step 6: Final answer
    x = 95,235.52

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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.