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Finding the Fourth Proportional to 201,290.30, 277,777.50 and 110,644.33

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Solution

The fourth proportional to 201,290.30, 277,777.50 and 110,644.33 is: 152,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,290.30 : 277,777.50 = 110,644.33 : x
  2. Step 2: Convert to fraction form
    201,290.30/277,777.50 = 110,644.33/x
  3. Step 3: Cross multiply
    201,290.30x = 277,777.50 × 110,644.33
  4. Step 4: Simplify right side
    201,290.30x = 30,734,503,987.69
  5. Step 5: Solve for x
    x = 30,734,503,987.69/201,290.30
  6. Step 6: Final answer
    x = 152,687.46

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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.