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Finding the Fourth Proportional to 156.67, 235.04 and 95.02

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Solution

The fourth proportional to 156.67, 235.04 and 95.02 is: 142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.67 : 235.04 = 95.02 : x
  2. Step 2: Convert to fraction form
    156.67/235.04 = 95.02/x
  3. Step 3: Cross multiply
    156.67x = 235.04 × 95.02
  4. Step 4: Simplify right side
    156.67x = 22,332.44
  5. Step 5: Solve for x
    x = 22,332.44/156.67
  6. Step 6: Final answer
    x = 142.55

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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.