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Finding the Fourth Proportional to 350,886.21, 525,893.23 and 161,145.28

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Solution

The fourth proportional to 350,886.21, 525,893.23 and 161,145.28 is: 241,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,886.21 : 525,893.23 = 161,145.28 : x
  2. Step 2: Convert to fraction form
    350,886.21/525,893.23 = 161,145.28/x
  3. Step 3: Cross multiply
    350,886.21x = 525,893.23 × 161,145.28
  4. Step 4: Simplify right side
    350,886.21x = 84,745,211,798.45
  5. Step 5: Solve for x
    x = 84,745,211,798.45/350,886.21
  6. Step 6: Final answer
    x = 241,517.65

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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.