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Finding the Fourth Proportional to 258,097.50, 356,020.11 and 162,438.12

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Solution

The fourth proportional to 258,097.50, 356,020.11 and 162,438.12 is: 224,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,097.50 : 356,020.11 = 162,438.12 : x
  2. Step 2: Convert to fraction form
    258,097.50/356,020.11 = 162,438.12/x
  3. Step 3: Cross multiply
    258,097.50x = 356,020.11 × 162,438.12
  4. Step 4: Simplify right side
    258,097.50x = 57,831,237,350.59
  5. Step 5: Solve for x
    x = 57,831,237,350.59/258,097.50
  6. Step 6: Final answer
    x = 224,067.41

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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.