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Finding the Fourth Proportional to 64,615.08, 96,903.90 and 25,163.40

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Solution

The fourth proportional to 64,615.08, 96,903.90 and 25,163.40 is: 37,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615.08 : 96,903.90 = 25,163.40 : x
  2. Step 2: Convert to fraction form
    64,615.08/96,903.90 = 25,163.40/x
  3. Step 3: Cross multiply
    64,615.08x = 96,903.90 × 25,163.40
  4. Step 4: Simplify right side
    64,615.08x = 2,438,431,597.26
  5. Step 5: Solve for x
    x = 2,438,431,597.26/64,615.08
  6. Step 6: Final answer
    x = 37,737.81

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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.