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Finding the Fourth Proportional to 247,171.37, 370,867.82 and 113,980.23

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Solution

The fourth proportional to 247,171.37, 370,867.82 and 113,980.23 is: 171,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,171.37 : 370,867.82 = 113,980.23 : x
  2. Step 2: Convert to fraction form
    247,171.37/370,867.82 = 113,980.23/x
  3. Step 3: Cross multiply
    247,171.37x = 370,867.82 × 113,980.23
  4. Step 4: Simplify right side
    247,171.37x = 42,271,598,853.30
  5. Step 5: Solve for x
    x = 42,271,598,853.30/247,171.37
  6. Step 6: Final answer
    x = 171,021.42

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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.