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Finding the Fourth Proportional to 230,039.01, 344,559.51 and 111,461.67

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Solution

The fourth proportional to 230,039.01, 344,559.51 and 111,461.67 is: 166,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,039.01 : 344,559.51 = 111,461.67 : x
  2. Step 2: Convert to fraction form
    230,039.01/344,559.51 = 111,461.67/x
  3. Step 3: Cross multiply
    230,039.01x = 344,559.51 × 111,461.67
  4. Step 4: Simplify right side
    230,039.01x = 38,405,178,398.98
  5. Step 5: Solve for x
    x = 38,405,178,398.98/230,039.01
  6. Step 6: Final answer
    x = 166,950.72

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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.