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Finding the Fourth Proportional to 166,959.58, 230,427.84 and 103,317.88

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Solution

The fourth proportional to 166,959.58, 230,427.84 and 103,317.88 is: 142,593.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,959.58 : 230,427.84 = 103,317.88 : x
  2. Step 2: Convert to fraction form
    166,959.58/230,427.84 = 103,317.88/x
  3. Step 3: Cross multiply
    166,959.58x = 230,427.84 × 103,317.88
  4. Step 4: Simplify right side
    166,959.58x = 23,807,315,921.78
  5. Step 5: Solve for x
    x = 23,807,315,921.78/166,959.58
  6. Step 6: Final answer
    x = 142,593.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.