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Finding the Fourth Proportional to 279,148.26, 385,060.42 and 165,964.26

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Solution

The fourth proportional to 279,148.26, 385,060.42 and 165,964.26 is: 228,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,148.26 : 385,060.42 = 165,964.26 : x
  2. Step 2: Convert to fraction form
    279,148.26/385,060.42 = 165,964.26/x
  3. Step 3: Cross multiply
    279,148.26x = 385,060.42 × 165,964.26
  4. Step 4: Simplify right side
    279,148.26x = 63,906,267,660.59
  5. Step 5: Solve for x
    x = 63,906,267,660.59/279,148.26
  6. Step 6: Final answer
    x = 228,933.07

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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.