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Finding the Fourth Proportional to 210,662.28, 316,086.48 and 110,799.72

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Solution

The fourth proportional to 210,662.28, 316,086.48 and 110,799.72 is: 166,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,662.28 : 316,086.48 = 110,799.72 : x
  2. Step 2: Convert to fraction form
    210,662.28/316,086.48 = 110,799.72/x
  3. Step 3: Cross multiply
    210,662.28x = 316,086.48 × 110,799.72
  4. Step 4: Simplify right side
    210,662.28x = 35,022,293,479.79
  5. Step 5: Solve for x
    x = 35,022,293,479.79/210,662.28
  6. Step 6: Final answer
    x = 166,248.53

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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.