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Finding the Fourth Proportional to 103,672.28, 155,476.02 and 33,537.08

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Solution

The fourth proportional to 103,672.28, 155,476.02 and 33,537.08 is: 50,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.28 : 155,476.02 = 33,537.08 : x
  2. Step 2: Convert to fraction form
    103,672.28/155,476.02 = 33,537.08/x
  3. Step 3: Cross multiply
    103,672.28x = 155,476.02 × 33,537.08
  4. Step 4: Simplify right side
    103,672.28x = 5,214,211,720.82
  5. Step 5: Solve for x
    x = 5,214,211,720.82/103,672.28
  6. Step 6: Final answer
    x = 50,295.14

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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.