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Finding the Fourth Proportional to 74,668.86, 112,020.30 and 22,076.37

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Solution

The fourth proportional to 74,668.86, 112,020.30 and 22,076.37 is: 33,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.86 : 112,020.30 = 22,076.37 : x
  2. Step 2: Convert to fraction form
    74,668.86/112,020.30 = 22,076.37/x
  3. Step 3: Cross multiply
    74,668.86x = 112,020.30 × 22,076.37
  4. Step 4: Simplify right side
    74,668.86x = 2,473,001,590.31
  5. Step 5: Solve for x
    x = 2,473,001,590.31/74,668.86
  6. Step 6: Final answer
    x = 33,119.58

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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.