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Finding the Fourth Proportional to 65,352,789.80, 97,816,608.30 and 50,897,594.60

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Solution

The fourth proportional to 65,352,789.80, 97,816,608.30 and 50,897,594.60 is: 76,180,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352,789.80 : 97,816,608.30 = 50,897,594.60 : x
  2. Step 2: Convert to fraction form
    65,352,789.80/97,816,608.30 = 50,897,594.60/x
  3. Step 3: Cross multiply
    65,352,789.80x = 97,816,608.30 × 50,897,594.60
  4. Step 4: Simplify right side
    65,352,789.80x = 4,978,630,074,400,395
  5. Step 5: Solve for x
    x = 4,978,630,074,400,395/65,352,789.80
  6. Step 6: Final answer
    x = 76,180,834.66

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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.