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Finding the Fourth Proportional to 226,023.50, 311,927.02 and 125,421.50

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Solution

The fourth proportional to 226,023.50, 311,927.02 and 125,421.50 is: 173,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,023.50 : 311,927.02 = 125,421.50 : x
  2. Step 2: Convert to fraction form
    226,023.50/311,927.02 = 125,421.50/x
  3. Step 3: Cross multiply
    226,023.50x = 311,927.02 × 125,421.50
  4. Step 4: Simplify right side
    226,023.50x = 39,122,354,738.93
  5. Step 5: Solve for x
    x = 39,122,354,738.93/226,023.50
  6. Step 6: Final answer
    x = 173,089.77

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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.