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Finding the Fourth Proportional to 258,892.37, 357,447.02 and 162,135.03

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Solution

The fourth proportional to 258,892.37, 357,447.02 and 162,135.03 is: 223,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,892.37 : 357,447.02 = 162,135.03 : x
  2. Step 2: Convert to fraction form
    258,892.37/357,447.02 = 162,135.03/x
  3. Step 3: Cross multiply
    258,892.37x = 357,447.02 × 162,135.03
  4. Step 4: Simplify right side
    258,892.37x = 57,954,682,500.44
  5. Step 5: Solve for x
    x = 57,954,682,500.44/258,892.37
  6. Step 6: Final answer
    x = 223,856.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.