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Finding the Fourth Proportional to 113,171.26, 169,793.70 and 53,999.26

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Solution

The fourth proportional to 113,171.26, 169,793.70 and 53,999.26 is: 81,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,171.26 : 169,793.70 = 53,999.26 : x
  2. Step 2: Convert to fraction form
    113,171.26/169,793.70 = 53,999.26/x
  3. Step 3: Cross multiply
    113,171.26x = 169,793.70 × 53,999.26
  4. Step 4: Simplify right side
    113,171.26x = 9,168,734,152.66
  5. Step 5: Solve for x
    x = 9,168,734,152.66/113,171.26
  6. Step 6: Final answer
    x = 81,016.45

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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.