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Finding the Fourth Proportional to 357,399.12, 535,941.24 and 167,913.36

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Solution

The fourth proportional to 357,399.12, 535,941.24 and 167,913.36 is: 251,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,399.12 : 535,941.24 = 167,913.36 : x
  2. Step 2: Convert to fraction form
    357,399.12/535,941.24 = 167,913.36/x
  3. Step 3: Cross multiply
    357,399.12x = 535,941.24 × 167,913.36
  4. Step 4: Simplify right side
    357,399.12x = 89,991,694,370.97
  5. Step 5: Solve for x
    x = 89,991,694,370.97/357,399.12
  6. Step 6: Final answer
    x = 251,796.07

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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.