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Finding the Fourth Proportional to 73,809,734.20, 110,714,018.10 and 19,222,214.20

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Solution

The fourth proportional to 73,809,734.20, 110,714,018.10 and 19,222,214.20 is: 28,833,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,809,734.20 : 110,714,018.10 = 19,222,214.20 : x
  2. Step 2: Convert to fraction form
    73,809,734.20/110,714,018.10 = 19,222,214.20/x
  3. Step 3: Cross multiply
    73,809,734.20x = 110,714,018.10 × 19,222,214.20
  4. Step 4: Simplify right side
    73,809,734.20x = 2,128,168,570,860,876.75
  5. Step 5: Solve for x
    x = 2,128,168,570,860,876.75/73,809,734.20
  6. Step 6: Final answer
    x = 28,833,169.42

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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.