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Finding the Fourth Proportional to 223,010.74, 307,754.37 and 122,406.58

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Solution

The fourth proportional to 223,010.74, 307,754.37 and 122,406.58 is: 168,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,010.74 : 307,754.37 = 122,406.58 : x
  2. Step 2: Convert to fraction form
    223,010.74/307,754.37 = 122,406.58/x
  3. Step 3: Cross multiply
    223,010.74x = 307,754.37 × 122,406.58
  4. Step 4: Simplify right side
    223,010.74x = 37,671,159,911.75
  5. Step 5: Solve for x
    x = 37,671,159,911.75/223,010.74
  6. Step 6: Final answer
    x = 168,920.83

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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.