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Finding the Fourth Proportional to 65,017,304.80, 97,522,846.80 and 21,882,277.60

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Solution

The fourth proportional to 65,017,304.80, 97,522,846.80 and 21,882,277.60 is: 32,822,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,017,304.80 : 97,522,846.80 = 21,882,277.60 : x
  2. Step 2: Convert to fraction form
    65,017,304.80/97,522,846.80 = 21,882,277.60/x
  3. Step 3: Cross multiply
    65,017,304.80x = 97,522,846.80 × 21,882,277.60
  4. Step 4: Simplify right side
    65,017,304.80x = 2,134,022,006,019,871.75
  5. Step 5: Solve for x
    x = 2,134,022,006,019,871.75/65,017,304.80
  6. Step 6: Final answer
    x = 32,822,369.56

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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.