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Finding the Fourth Proportional to 245,000.20, 367,413.90 and 111,944.20

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Solution

The fourth proportional to 245,000.20, 367,413.90 and 111,944.20 is: 167,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,000.20 : 367,413.90 = 111,944.20 : x
  2. Step 2: Convert to fraction form
    245,000.20/367,413.90 = 111,944.20/x
  3. Step 3: Cross multiply
    245,000.20x = 367,413.90 × 111,944.20
  4. Step 4: Simplify right side
    245,000.20x = 41,129,855,104.38
  5. Step 5: Solve for x
    x = 41,129,855,104.38/245,000.20
  6. Step 6: Final answer
    x = 167,876.82

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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.