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Finding the Fourth Proportional to 226,815.73, 340,272.80 and 69,040.08

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Solution

The fourth proportional to 226,815.73, 340,272.80 and 69,040.08 is: 103,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,815.73 : 340,272.80 = 69,040.08 : x
  2. Step 2: Convert to fraction form
    226,815.73/340,272.80 = 69,040.08/x
  3. Step 3: Cross multiply
    226,815.73x = 340,272.80 × 69,040.08
  4. Step 4: Simplify right side
    226,815.73x = 23,492,460,988.62
  5. Step 5: Solve for x
    x = 23,492,460,988.62/226,815.73
  6. Step 6: Final answer
    x = 103,575.10

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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.