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Finding the Fourth Proportional to 111,745.53, 167,507.58 and 52,475.10

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Solution

The fourth proportional to 111,745.53, 167,507.58 and 52,475.10 is: 78,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,745.53 : 167,507.58 = 52,475.10 : x
  2. Step 2: Convert to fraction form
    111,745.53/167,507.58 = 52,475.10/x
  3. Step 3: Cross multiply
    111,745.53x = 167,507.58 × 52,475.10
  4. Step 4: Simplify right side
    111,745.53x = 8,789,977,011.26
  5. Step 5: Solve for x
    x = 8,789,977,011.26/111,745.53
  6. Step 6: Final answer
    x = 78,660.66

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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.