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Finding the Fourth Proportional to 65,352,664.80, 97,816,420.80 and 50,897,469.60

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Solution

The fourth proportional to 65,352,664.80, 97,816,420.80 and 50,897,469.60 is: 76,180,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352,664.80 : 97,816,420.80 = 50,897,469.60 : x
  2. Step 2: Convert to fraction form
    65,352,664.80/97,816,420.80 = 50,897,469.60/x
  3. Step 3: Cross multiply
    65,352,664.80x = 97,816,420.80 × 50,897,469.60
  4. Step 4: Simplify right side
    65,352,664.80x = 4,978,608,304,048,808
  5. Step 5: Solve for x
    x = 4,978,608,304,048,808/65,352,664.80
  6. Step 6: Final answer
    x = 76,180,647.25

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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.