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Finding the Fourth Proportional to 223,885.88, 336,008.64 and 111,561.56

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Solution

The fourth proportional to 223,885.88, 336,008.64 and 111,561.56 is: 167,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,885.88 : 336,008.64 = 111,561.56 : x
  2. Step 2: Convert to fraction form
    223,885.88/336,008.64 = 111,561.56/x
  3. Step 3: Cross multiply
    223,885.88x = 336,008.64 × 111,561.56
  4. Step 4: Simplify right side
    223,885.88x = 37,485,648,051.88
  5. Step 5: Solve for x
    x = 37,485,648,051.88/223,885.88
  6. Step 6: Final answer
    x = 167,431.94

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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.