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Finding the Fourth Proportional to 223,876.70, 313,842.10 and 223,876.70

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Solution

The fourth proportional to 223,876.70, 313,842.10 and 223,876.70 is: 313,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,876.70 : 313,842.10 = 223,876.70 : x
  2. Step 2: Convert to fraction form
    223,876.70/313,842.10 = 223,876.70/x
  3. Step 3: Cross multiply
    223,876.70x = 313,842.10 × 223,876.70
  4. Step 4: Simplify right side
    223,876.70x = 70,261,933,669.07
  5. Step 5: Solve for x
    x = 70,261,933,669.07/223,876.70
  6. Step 6: Final answer
    x = 313,842.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.