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Finding the Fourth Proportional to 65,337,597.21, 97,760,144.48 and 38,978,954.67

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Solution

The fourth proportional to 65,337,597.21, 97,760,144.48 and 38,978,954.67 is: 58,321,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337,597.21 : 97,760,144.48 = 38,978,954.67 : x
  2. Step 2: Convert to fraction form
    65,337,597.21/97,760,144.48 = 38,978,954.67/x
  3. Step 3: Cross multiply
    65,337,597.21x = 97,760,144.48 × 38,978,954.67
  4. Step 4: Simplify right side
    65,337,597.21x = 3,810,588,240,023,676
  5. Step 5: Solve for x
    x = 3,810,588,240,023,676/65,337,597.21
  6. Step 6: Final answer
    x = 58,321,523.94

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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.