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Finding the Fourth Proportional to 226,012.74, 339,008.10 and 83,885.68

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Solution

The fourth proportional to 226,012.74, 339,008.10 and 83,885.68 is: 125,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,012.74 : 339,008.10 = 83,885.68 : x
  2. Step 2: Convert to fraction form
    226,012.74/339,008.10 = 83,885.68/x
  3. Step 3: Cross multiply
    226,012.74x = 339,008.10 × 83,885.68
  4. Step 4: Simplify right side
    226,012.74x = 28,437,924,994.01
  5. Step 5: Solve for x
    x = 28,437,924,994.01/226,012.74
  6. Step 6: Final answer
    x = 125,824.43

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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.