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Finding the Fourth Proportional to 227,069.80, 340,799.10 and 100,904.20

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Solution

The fourth proportional to 227,069.80, 340,799.10 and 100,904.20 is: 151,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,069.80 : 340,799.10 = 100,904.20 : x
  2. Step 2: Convert to fraction form
    227,069.80/340,799.10 = 100,904.20/x
  3. Step 3: Cross multiply
    227,069.80x = 340,799.10 × 100,904.20
  4. Step 4: Simplify right side
    227,069.80x = 34,388,060,546.22
  5. Step 5: Solve for x
    x = 34,388,060,546.22/227,069.80
  6. Step 6: Final answer
    x = 151,442.69

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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.