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Finding the Fourth Proportional to 227,413.30, 341,338.65 and 115,220.20

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Solution

The fourth proportional to 227,413.30, 341,338.65 and 115,220.20 is: 172,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,413.30 : 341,338.65 = 115,220.20 : x
  2. Step 2: Convert to fraction form
    227,413.30/341,338.65 = 115,220.20/x
  3. Step 3: Cross multiply
    227,413.30x = 341,338.65 × 115,220.20
  4. Step 4: Simplify right side
    227,413.30x = 39,329,107,520.73
  5. Step 5: Solve for x
    x = 39,329,107,520.73/227,413.30
  6. Step 6: Final answer
    x = 172,941.11

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1.5x scale

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.