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Finding the Fourth Proportional to 268,768.33, 370,775.68 and 161,151.33

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Solution

The fourth proportional to 268,768.33, 370,775.68 and 161,151.33 is: 222,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,768.33 : 370,775.68 = 161,151.33 : x
  2. Step 2: Convert to fraction form
    268,768.33/370,775.68 = 161,151.33/x
  3. Step 3: Cross multiply
    268,768.33x = 370,775.68 × 161,151.33
  4. Step 4: Simplify right side
    268,768.33x = 59,750,993,963.65
  5. Step 5: Solve for x
    x = 59,750,993,963.65/268,768.33
  6. Step 6: Final answer
    x = 222,314.12

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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.