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Finding the Fourth Proportional to 161,299.42, 241,978.34 and 66,476.82

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Solution

The fourth proportional to 161,299.42, 241,978.34 and 66,476.82 is: 99,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,299.42 : 241,978.34 = 66,476.82 : x
  2. Step 2: Convert to fraction form
    161,299.42/241,978.34 = 66,476.82/x
  3. Step 3: Cross multiply
    161,299.42x = 241,978.34 × 66,476.82
  4. Step 4: Simplify right side
    161,299.42x = 16,085,949,890.63
  5. Step 5: Solve for x
    x = 16,085,949,890.63/161,299.42
  6. Step 6: Final answer
    x = 99,727.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.