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Finding the Fourth Proportional to 65,200,611.20, 97,800,916.80 and 34,967,523.20

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Solution

The fourth proportional to 65,200,611.20, 97,800,916.80 and 34,967,523.20 is: 52,451,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,611.20 : 97,800,916.80 = 34,967,523.20 : x
  2. Step 2: Convert to fraction form
    65,200,611.20/97,800,916.80 = 34,967,523.20/x
  3. Step 3: Cross multiply
    65,200,611.20x = 97,800,916.80 × 34,967,523.20
  4. Step 4: Simplify right side
    65,200,611.20x = 3,419,855,827,185,270
  5. Step 5: Solve for x
    x = 3,419,855,827,185,270/65,200,611.20
  6. Step 6: Final answer
    x = 52,451,284.80

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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.