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Finding the Fourth Proportional to 167,478.76, 251,246.31 and 55,191.34

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Solution

The fourth proportional to 167,478.76, 251,246.31 and 55,191.34 is: 82,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478.76 : 251,246.31 = 55,191.34 : x
  2. Step 2: Convert to fraction form
    167,478.76/251,246.31 = 55,191.34/x
  3. Step 3: Cross multiply
    167,478.76x = 251,246.31 × 55,191.34
  4. Step 4: Simplify right side
    167,478.76x = 13,866,620,518.96
  5. Step 5: Solve for x
    x = 13,866,620,518.96/167,478.76
  6. Step 6: Final answer
    x = 82,796.29

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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.