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Finding the Fourth Proportional to 350,469.12, 525,720.96 and 97,749.12

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Solution

The fourth proportional to 350,469.12, 525,720.96 and 97,749.12 is: 146,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,469.12 : 525,720.96 = 97,749.12 : x
  2. Step 2: Convert to fraction form
    350,469.12/525,720.96 = 97,749.12/x
  3. Step 3: Cross multiply
    350,469.12x = 525,720.96 × 97,749.12
  4. Step 4: Simplify right side
    350,469.12x = 51,388,761,205.56
  5. Step 5: Solve for x
    x = 51,388,761,205.56/350,469.12
  6. Step 6: Final answer
    x = 146,628.50

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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.