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Finding the Fourth Proportional to 103,357.69, 155,036.57 and 33,237

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Solution

The fourth proportional to 103,357.69, 155,036.57 and 33,237 is: 49,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,357.69 : 155,036.57 = 33,237 : x
  2. Step 2: Convert to fraction form
    103,357.69/155,036.57 = 33,237/x
  3. Step 3: Cross multiply
    103,357.69x = 155,036.57 × 33,237
  4. Step 4: Simplify right side
    103,357.69x = 5,152,950,310.91
  5. Step 5: Solve for x
    x = 5,152,950,310.91/103,357.69
  6. Step 6: Final answer
    x = 49,855.51

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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.