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Finding the Fourth Proportional to 350,163.57, 525,319.17 and 113,487.81

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Solution

The fourth proportional to 350,163.57, 525,319.17 and 113,487.81 is: 170,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,163.57 : 525,319.17 = 113,487.81 : x
  2. Step 2: Convert to fraction form
    350,163.57/525,319.17 = 113,487.81/x
  3. Step 3: Cross multiply
    350,163.57x = 525,319.17 × 113,487.81
  4. Step 4: Simplify right side
    350,163.57x = 59,617,322,154.32
  5. Step 5: Solve for x
    x = 59,617,322,154.32/350,163.57
  6. Step 6: Final answer
    x = 170,255.64

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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.