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Finding the Fourth Proportional to 103,368.96, 155,105.28 and 41,057.28

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Solution

The fourth proportional to 103,368.96, 155,105.28 and 41,057.28 is: 61,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,368.96 : 155,105.28 = 41,057.28 : x
  2. Step 2: Convert to fraction form
    103,368.96/155,105.28 = 41,057.28/x
  3. Step 3: Cross multiply
    103,368.96x = 155,105.28 × 41,057.28
  4. Step 4: Simplify right side
    103,368.96x = 6,368,200,910.44
  5. Step 5: Solve for x
    x = 6,368,200,910.44/103,368.96
  6. Step 6: Final answer
    x = 61,606.51

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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.