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Finding the Fourth Proportional to 104.04, 156.07 and 35.57

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Solution

The fourth proportional to 104.04, 156.07 and 35.57 is: 53.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.04 : 156.07 = 35.57 : x
  2. Step 2: Convert to fraction form
    104.04/156.07 = 35.57/x
  3. Step 3: Cross multiply
    104.04x = 156.07 × 35.57
  4. Step 4: Simplify right side
    104.04x = 5,551.41
  5. Step 5: Solve for x
    x = 5,551.41/104.04
  6. Step 6: Final answer
    x = 53.36

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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.