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Finding the Fourth Proportional to 227,038.08, 340,570.08 and 69,277.44

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Solution

The fourth proportional to 227,038.08, 340,570.08 and 69,277.44 is: 103,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,038.08 : 340,570.08 = 69,277.44 : x
  2. Step 2: Convert to fraction form
    227,038.08/340,570.08 = 69,277.44/x
  3. Step 3: Cross multiply
    227,038.08x = 340,570.08 × 69,277.44
  4. Step 4: Simplify right side
    227,038.08x = 23,593,823,283.00
  5. Step 5: Solve for x
    x = 23,593,823,283.00/227,038.08
  6. Step 6: Final answer
    x = 103,920.11

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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.