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Finding the Fourth Proportional to 132,745.70, 199,087.10 and 37,972.96

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Solution

The fourth proportional to 132,745.70, 199,087.10 and 37,972.96 is: 56,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,745.70 : 199,087.10 = 37,972.96 : x
  2. Step 2: Convert to fraction form
    132,745.70/199,087.10 = 37,972.96/x
  3. Step 3: Cross multiply
    132,745.70x = 199,087.10 × 37,972.96
  4. Step 4: Simplify right side
    132,745.70x = 7,559,926,484.82
  5. Step 5: Solve for x
    x = 7,559,926,484.82/132,745.70
  6. Step 6: Final answer
    x = 56,950.44

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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.