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Finding the Fourth Proportional to 203,049.90, 304,525.50 and 84,722.22

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Solution

The fourth proportional to 203,049.90, 304,525.50 and 84,722.22 is: 127,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,049.90 : 304,525.50 = 84,722.22 : x
  2. Step 2: Convert to fraction form
    203,049.90/304,525.50 = 84,722.22/x
  3. Step 3: Cross multiply
    203,049.90x = 304,525.50 × 84,722.22
  4. Step 4: Simplify right side
    203,049.90x = 25,800,076,406.61
  5. Step 5: Solve for x
    x = 25,800,076,406.61/203,049.90
  6. Step 6: Final answer
    x = 127,062.74

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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.