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Finding the Fourth Proportional to 268,605.54, 370,676.39 and 147,759.21

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Solution

The fourth proportional to 268,605.54, 370,676.39 and 147,759.21 is: 203,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,605.54 : 370,676.39 = 147,759.21 : x
  2. Step 2: Convert to fraction form
    268,605.54/370,676.39 = 147,759.21/x
  3. Step 3: Cross multiply
    268,605.54x = 370,676.39 × 147,759.21
  4. Step 4: Simplify right side
    268,605.54x = 54,770,849,813.26
  5. Step 5: Solve for x
    x = 54,770,849,813.26/268,605.54
  6. Step 6: Final answer
    x = 203,908.12

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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.