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Finding the Fourth Proportional to 227,765.40, 341,656.20 and 69,993.60

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Solution

The fourth proportional to 227,765.40, 341,656.20 and 69,993.60 is: 104,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,765.40 : 341,656.20 = 69,993.60 : x
  2. Step 2: Convert to fraction form
    227,765.40/341,656.20 = 69,993.60/x
  3. Step 3: Cross multiply
    227,765.40x = 341,656.20 × 69,993.60
  4. Step 4: Simplify right side
    227,765.40x = 23,913,747,400.32
  5. Step 5: Solve for x
    x = 23,913,747,400.32/227,765.40
  6. Step 6: Final answer
    x = 104,992.89

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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.