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Finding the Fourth Proportional to 171,205.60, 258,091.48 and 159,787.84

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Solution

The fourth proportional to 171,205.60, 258,091.48 and 159,787.84 is: 240,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,205.60 : 258,091.48 = 159,787.84 : x
  2. Step 2: Convert to fraction form
    171,205.60/258,091.48 = 159,787.84/x
  3. Step 3: Cross multiply
    171,205.60x = 258,091.48 × 159,787.84
  4. Step 4: Simplify right side
    171,205.60x = 41,239,880,111.60
  5. Step 5: Solve for x
    x = 41,239,880,111.60/171,205.60
  6. Step 6: Final answer
    x = 240,879.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.