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Finding the Fourth Proportional to 258,107.50, 356,033.90 and 162,448.12

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Solution

The fourth proportional to 258,107.50, 356,033.90 and 162,448.12 is: 224,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,107.50 : 356,033.90 = 162,448.12 : x
  2. Step 2: Convert to fraction form
    258,107.50/356,033.90 = 162,448.12/x
  3. Step 3: Cross multiply
    258,107.50x = 356,033.90 × 162,448.12
  4. Step 4: Simplify right side
    258,107.50x = 57,837,037,711.27
  5. Step 5: Solve for x
    x = 57,837,037,711.27/258,107.50
  6. Step 6: Final answer
    x = 224,081.20

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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.