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Finding the Fourth Proportional to 201,290.55, 277,777.85 and 110,644.58

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Solution

The fourth proportional to 201,290.55, 277,777.85 and 110,644.58 is: 152,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,290.55 : 277,777.85 = 110,644.58 : x
  2. Step 2: Convert to fraction form
    201,290.55/277,777.85 = 110,644.58/x
  3. Step 3: Cross multiply
    201,290.55x = 277,777.85 × 110,644.58
  4. Step 4: Simplify right side
    201,290.55x = 30,734,611,604.44
  5. Step 5: Solve for x
    x = 30,734,611,604.44/201,290.55
  6. Step 6: Final answer
    x = 152,687.80

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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.