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Finding the Fourth Proportional to 223,973.54, 336,010.14 and 81,818.54

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Solution

The fourth proportional to 223,973.54, 336,010.14 and 81,818.54 is: 122,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,973.54 : 336,010.14 = 81,818.54 : x
  2. Step 2: Convert to fraction form
    223,973.54/336,010.14 = 81,818.54/x
  3. Step 3: Cross multiply
    223,973.54x = 336,010.14 × 81,818.54
  4. Step 4: Simplify right side
    223,973.54x = 27,491,858,659.98
  5. Step 5: Solve for x
    x = 27,491,858,659.98/223,973.54
  6. Step 6: Final answer
    x = 122,746.01

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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.