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Finding the Fourth Proportional to 171,075.92, 256,657.61 and 71,202.92

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Solution

The fourth proportional to 171,075.92, 256,657.61 and 71,202.92 is: 106,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,075.92 : 256,657.61 = 71,202.92 : x
  2. Step 2: Convert to fraction form
    171,075.92/256,657.61 = 71,202.92/x
  3. Step 3: Cross multiply
    171,075.92x = 256,657.61 × 71,202.92
  4. Step 4: Simplify right side
    171,075.92x = 18,274,770,166.94
  5. Step 5: Solve for x
    x = 18,274,770,166.94/171,075.92
  6. Step 6: Final answer
    x = 106,822.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.