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Finding the Fourth Proportional to 111,301.56, 166,971.78 and 48,970.44

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Solution

The fourth proportional to 111,301.56, 166,971.78 and 48,970.44 is: 73,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.56 : 166,971.78 = 48,970.44 : x
  2. Step 2: Convert to fraction form
    111,301.56/166,971.78 = 48,970.44/x
  3. Step 3: Cross multiply
    111,301.56x = 166,971.78 × 48,970.44
  4. Step 4: Simplify right side
    111,301.56x = 8,176,680,994.33
  5. Step 5: Solve for x
    x = 8,176,680,994.33/111,301.56
  6. Step 6: Final answer
    x = 73,464.21

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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.