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Finding the Fourth Proportional to 104.04, 156.22 and 58.46

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Solution

The fourth proportional to 104.04, 156.22 and 58.46 is: 87.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.04 : 156.22 = 58.46 : x
  2. Step 2: Convert to fraction form
    104.04/156.22 = 58.46/x
  3. Step 3: Cross multiply
    104.04x = 156.22 × 58.46
  4. Step 4: Simplify right side
    104.04x = 9,131.69
  5. Step 5: Solve for x
    x = 9,131.69/104.04
  6. Step 6: Final answer
    x = 87.77

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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.