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Finding the Fourth Proportional to 79,063.52, 118,676.40 and 52,950.56

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Solution

The fourth proportional to 79,063.52, 118,676.40 and 52,950.56 is: 79,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063.52 : 118,676.40 = 52,950.56 : x
  2. Step 2: Convert to fraction form
    79,063.52/118,676.40 = 52,950.56/x
  3. Step 3: Cross multiply
    79,063.52x = 118,676.40 × 52,950.56
  4. Step 4: Simplify right side
    79,063.52x = 6,283,981,838.78
  5. Step 5: Solve for x
    x = 6,283,981,838.78/79,063.52
  6. Step 6: Final answer
    x = 79,480.17

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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.