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Finding the Fourth Proportional to 227,609.20, 341,413.80 and 69,837.40

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Solution

The fourth proportional to 227,609.20, 341,413.80 and 69,837.40 is: 104,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,609.20 : 341,413.80 = 69,837.40 : x
  2. Step 2: Convert to fraction form
    227,609.20/341,413.80 = 69,837.40/x
  3. Step 3: Cross multiply
    227,609.20x = 341,413.80 × 69,837.40
  4. Step 4: Simplify right side
    227,609.20x = 23,843,452,116.12
  5. Step 5: Solve for x
    x = 23,843,452,116.12/227,609.20
  6. Step 6: Final answer
    x = 104,756.10

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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.