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Finding the Fourth Proportional to 161,142.40, 241,713 and 39,563.44

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Solution

The fourth proportional to 161,142.40, 241,713 and 39,563.44 is: 59,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,142.40 : 241,713 = 39,563.44 : x
  2. Step 2: Convert to fraction form
    161,142.40/241,713 = 39,563.44/x
  3. Step 3: Cross multiply
    161,142.40x = 241,713 × 39,563.44
  4. Step 4: Simplify right side
    161,142.40x = 9,562,997,772.72
  5. Step 5: Solve for x
    x = 9,562,997,772.72/161,142.40
  6. Step 6: Final answer
    x = 59,345.01

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Why These Related Problems?

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