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Finding the Fourth Proportional to 104.24, 156.90 and 95.01

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Solution

The fourth proportional to 104.24, 156.90 and 95.01 is: 143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.24 : 156.90 = 95.01 : x
  2. Step 2: Convert to fraction form
    104.24/156.90 = 95.01/x
  3. Step 3: Cross multiply
    104.24x = 156.90 × 95.01
  4. Step 4: Simplify right side
    104.24x = 14,907.50
  5. Step 5: Solve for x
    x = 14,907.50/104.24
  6. Step 6: Final answer
    x = 143.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.