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Finding the Fourth Proportional to 268,452.16, 370,464.72 and 147,605.80

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Solution

The fourth proportional to 268,452.16, 370,464.72 and 147,605.80 is: 203,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,452.16 : 370,464.72 = 147,605.80 : x
  2. Step 2: Convert to fraction form
    268,452.16/370,464.72 = 147,605.80/x
  3. Step 3: Cross multiply
    268,452.16x = 370,464.72 × 147,605.80
  4. Step 4: Simplify right side
    268,452.16x = 54,682,741,367.38
  5. Step 5: Solve for x
    x = 54,682,741,367.38/268,452.16
  6. Step 6: Final answer
    x = 203,696.41

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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.