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Finding the Fourth Proportional to 44,288,978.80, 66,433,468.20 and 33,376,723.60

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Solution

The fourth proportional to 44,288,978.80, 66,433,468.20 and 33,376,723.60 is: 50,065,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288,978.80 : 66,433,468.20 = 33,376,723.60 : x
  2. Step 2: Convert to fraction form
    44,288,978.80/66,433,468.20 = 33,376,723.60/x
  3. Step 3: Cross multiply
    44,288,978.80x = 66,433,468.20 × 33,376,723.60
  4. Step 4: Simplify right side
    44,288,978.80x = 2,217,331,505,900,789.75
  5. Step 5: Solve for x
    x = 2,217,331,505,900,789.75/44,288,978.80
  6. Step 6: Final answer
    x = 50,065,085.40

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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.