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Finding the Fourth Proportional to 350,887.21, 525,894.73 and 161,146.28

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Solution

The fourth proportional to 350,887.21, 525,894.73 and 161,146.28 is: 241,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,887.21 : 525,894.73 = 161,146.28 : x
  2. Step 2: Convert to fraction form
    350,887.21/525,894.73 = 161,146.28/x
  3. Step 3: Cross multiply
    350,887.21x = 525,894.73 × 161,146.28
  4. Step 4: Simplify right side
    350,887.21x = 84,745,979,411.10
  5. Step 5: Solve for x
    x = 84,745,979,411.10/350,887.21
  6. Step 6: Final answer
    x = 241,519.15

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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.