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Finding the Fourth Proportional to 74,441,958.60, 111,662,978.40 and 23,327,977.80

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Solution

The fourth proportional to 74,441,958.60, 111,662,978.40 and 23,327,977.80 is: 34,991,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441,958.60 : 111,662,978.40 = 23,327,977.80 : x
  2. Step 2: Convert to fraction form
    74,441,958.60/111,662,978.40 = 23,327,977.80/x
  3. Step 3: Cross multiply
    74,441,958.60x = 111,662,978.40 × 23,327,977.80
  4. Step 4: Simplify right side
    74,441,958.60x = 2,604,871,481,197,079.50
  5. Step 5: Solve for x
    x = 2,604,871,481,197,079.50/74,441,958.60
  6. Step 6: Final answer
    x = 34,991,979.39

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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.