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Finding the Fourth Proportional to 259,168.87, 388,592.92 and 101,211.58

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Solution

The fourth proportional to 259,168.87, 388,592.92 and 101,211.58 is: 151,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,168.87 : 388,592.92 = 101,211.58 : x
  2. Step 2: Convert to fraction form
    259,168.87/388,592.92 = 101,211.58/x
  3. Step 3: Cross multiply
    259,168.87x = 388,592.92 × 101,211.58
  4. Step 4: Simplify right side
    259,168.87x = 39,330,103,410.01
  5. Step 5: Solve for x
    x = 39,330,103,410.01/259,168.87
  6. Step 6: Final answer
    x = 151,754.74

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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.