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Finding the Fourth Proportional to 103,483.82, 155,221.41 and 29,611.82

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Solution

The fourth proportional to 103,483.82, 155,221.41 and 29,611.82 is: 44,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,483.82 : 155,221.41 = 29,611.82 : x
  2. Step 2: Convert to fraction form
    103,483.82/155,221.41 = 29,611.82/x
  3. Step 3: Cross multiply
    103,483.82x = 155,221.41 × 29,611.82
  4. Step 4: Simplify right side
    103,483.82x = 4,596,388,453.07
  5. Step 5: Solve for x
    x = 4,596,388,453.07/103,483.82
  6. Step 6: Final answer
    x = 44,416.49

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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.