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Finding the Fourth Proportional to 53,694,514.01, 80,508,809.01 and 20,866,752.54

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Solution

The fourth proportional to 53,694,514.01, 80,508,809.01 and 20,866,752.54 is: 31,287,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,694,514.01 : 80,508,809.01 = 20,866,752.54 : x
  2. Step 2: Convert to fraction form
    53,694,514.01/80,508,809.01 = 20,866,752.54/x
  3. Step 3: Cross multiply
    53,694,514.01x = 80,508,809.01 × 20,866,752.54
  4. Step 4: Simplify right side
    53,694,514.01x = 1,679,957,394,901,792.50
  5. Step 5: Solve for x
    x = 1,679,957,394,901,792.50/53,694,514.01
  6. Step 6: Final answer
    x = 31,287,319.12

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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.