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Finding the Fourth Proportional to 226,889.40, 340,254.74 and 66,922.89

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Solution

The fourth proportional to 226,889.40, 340,254.74 and 66,922.89 is: 100,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,889.40 : 340,254.74 = 66,922.89 : x
  2. Step 2: Convert to fraction form
    226,889.40/340,254.74 = 66,922.89/x
  3. Step 3: Cross multiply
    226,889.40x = 340,254.74 × 66,922.89
  4. Step 4: Simplify right side
    226,889.40x = 22,770,830,202.38
  5. Step 5: Solve for x
    x = 22,770,830,202.38/226,889.40
  6. Step 6: Final answer
    x = 100,360.93

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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.