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Finding the Fourth Proportional to 400,939.92, 601,337.23 and 161,044.13

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Solution

The fourth proportional to 400,939.92, 601,337.23 and 161,044.13 is: 241,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,939.92 : 601,337.23 = 161,044.13 : x
  2. Step 2: Convert to fraction form
    400,939.92/601,337.23 = 161,044.13/x
  3. Step 3: Cross multiply
    400,939.92x = 601,337.23 × 161,044.13
  4. Step 4: Simplify right side
    400,939.92x = 96,841,831,041.96
  5. Step 5: Solve for x
    x = 96,841,831,041.96/400,939.92
  6. Step 6: Final answer
    x = 241,537.01

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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.