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Finding the Fourth Proportional to 141,950.41, 212,917.20 and 53,196.46

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Solution

The fourth proportional to 141,950.41, 212,917.20 and 53,196.46 is: 79,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,950.41 : 212,917.20 = 53,196.46 : x
  2. Step 2: Convert to fraction form
    141,950.41/212,917.20 = 53,196.46/x
  3. Step 3: Cross multiply
    141,950.41x = 212,917.20 × 53,196.46
  4. Step 4: Simplify right side
    141,950.41x = 11,326,441,313.11
  5. Step 5: Solve for x
    x = 11,326,441,313.11/141,950.41
  6. Step 6: Final answer
    x = 79,791.54

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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.