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Finding the Fourth Proportional to 83,975,794.80, 125,963,692.20 and 35,508,375.60

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Solution

The fourth proportional to 83,975,794.80, 125,963,692.20 and 35,508,375.60 is: 53,262,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,975,794.80 : 125,963,692.20 = 35,508,375.60 : x
  2. Step 2: Convert to fraction form
    83,975,794.80/125,963,692.20 = 35,508,375.60/x
  3. Step 3: Cross multiply
    83,975,794.80x = 125,963,692.20 × 35,508,375.60
  4. Step 4: Simplify right side
    83,975,794.80x = 4,472,766,094,600,390.50
  5. Step 5: Solve for x
    x = 4,472,766,094,600,390.50/83,975,794.80
  6. Step 6: Final answer
    x = 53,262,563.40

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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.