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Finding the Fourth Proportional to 73,496,019.60, 110,244,029.40 and 50,821,203.60

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Solution

The fourth proportional to 73,496,019.60, 110,244,029.40 and 50,821,203.60 is: 76,231,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,496,019.60 : 110,244,029.40 = 50,821,203.60 : x
  2. Step 2: Convert to fraction form
    73,496,019.60/110,244,029.40 = 50,821,203.60/x
  3. Step 3: Cross multiply
    73,496,019.60x = 110,244,029.40 × 50,821,203.60
  4. Step 4: Simplify right side
    73,496,019.60x = 5,602,734,263,821,786
  5. Step 5: Solve for x
    x = 5,602,734,263,821,786/73,496,019.60
  6. Step 6: Final answer
    x = 76,231,805.40

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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.