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Finding the Fourth Proportional to 281,825.46, 388,906.92 and 168,710.58

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Solution

The fourth proportional to 281,825.46, 388,906.92 and 168,710.58 is: 232,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,825.46 : 388,906.92 = 168,710.58 : x
  2. Step 2: Convert to fraction form
    281,825.46/388,906.92 = 168,710.58/x
  3. Step 3: Cross multiply
    281,825.46x = 388,906.92 × 168,710.58
  4. Step 4: Simplify right side
    281,825.46x = 65,612,712,039.21
  5. Step 5: Solve for x
    x = 65,612,712,039.21/281,825.46
  6. Step 6: Final answer
    x = 232,813.29

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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.