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Finding the Fourth Proportional to 64,155.72, 96,205.50 and 34,163.64

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Solution

The fourth proportional to 64,155.72, 96,205.50 and 34,163.64 is: 51,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155.72 : 96,205.50 = 34,163.64 : x
  2. Step 2: Convert to fraction form
    64,155.72/96,205.50 = 34,163.64/x
  3. Step 3: Cross multiply
    64,155.72x = 96,205.50 × 34,163.64
  4. Step 4: Simplify right side
    64,155.72x = 3,286,730,068.02
  5. Step 5: Solve for x
    x = 3,286,730,068.02/64,155.72
  6. Step 6: Final answer
    x = 51,230.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.