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Finding the Fourth Proportional to 129,167.56, 193,762.46 and 35,673.32

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Solution

The fourth proportional to 129,167.56, 193,762.46 and 35,673.32 is: 53,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,167.56 : 193,762.46 = 35,673.32 : x
  2. Step 2: Convert to fraction form
    129,167.56/193,762.46 = 35,673.32/x
  3. Step 3: Cross multiply
    129,167.56x = 193,762.46 × 35,673.32
  4. Step 4: Simplify right side
    129,167.56x = 6,912,150,239.57
  5. Step 5: Solve for x
    x = 6,912,150,239.57/129,167.56
  6. Step 6: Final answer
    x = 53,513.05

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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.