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Finding the Fourth Proportional to 107,697,218.80, 161,546,749.80 and 35,893,634.80

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Solution

The fourth proportional to 107,697,218.80, 161,546,749.80 and 35,893,634.80 is: 53,840,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,697,218.80 : 161,546,749.80 = 35,893,634.80 : x
  2. Step 2: Convert to fraction form
    107,697,218.80/161,546,749.80 = 35,893,634.80/x
  3. Step 3: Cross multiply
    107,697,218.80x = 161,546,749.80 × 35,893,634.80
  4. Step 4: Simplify right side
    107,697,218.80x = 5,798,500,040,448,173
  5. Step 5: Solve for x
    x = 5,798,500,040,448,173/107,697,218.80
  6. Step 6: Final answer
    x = 53,840,759.35

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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.