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Finding the Fourth Proportional to 227,018.80, 340,722.60 and 100,853.20

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Solution

The fourth proportional to 227,018.80, 340,722.60 and 100,853.20 is: 151,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,018.80 : 340,722.60 = 100,853.20 : x
  2. Step 2: Convert to fraction form
    227,018.80/340,722.60 = 100,853.20/x
  3. Step 3: Cross multiply
    227,018.80x = 340,722.60 × 100,853.20
  4. Step 4: Simplify right side
    227,018.80x = 34,362,964,522.32
  5. Step 5: Solve for x
    x = 34,362,964,522.32/227,018.80
  6. Step 6: Final answer
    x = 151,366.16

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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.