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Finding the Fourth Proportional to 43,719,364.80, 65,618,704.80 and 22,168,958.40

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Solution

The fourth proportional to 43,719,364.80, 65,618,704.80 and 22,168,958.40 is: 33,273,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,719,364.80 : 65,618,704.80 = 22,168,958.40 : x
  2. Step 2: Convert to fraction form
    43,719,364.80/65,618,704.80 = 22,168,958.40/x
  3. Step 3: Cross multiply
    43,719,364.80x = 65,618,704.80 × 22,168,958.40
  4. Step 4: Simplify right side
    43,719,364.80x = 1,454,698,336,973,080.25
  5. Step 5: Solve for x
    x = 1,454,698,336,973,080.25/43,719,364.80
  6. Step 6: Final answer
    x = 33,273,546.94

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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.