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Finding the Fourth Proportional to 147.76, 204 and 95.35

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Solution

The fourth proportional to 147.76, 204 and 95.35 is: 131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.76 : 204 = 95.35 : x
  2. Step 2: Convert to fraction form
    147.76/204 = 95.35/x
  3. Step 3: Cross multiply
    147.76x = 204 × 95.35
  4. Step 4: Simplify right side
    147.76x = 19,451.40
  5. Step 5: Solve for x
    x = 19,451.40/147.76
  6. Step 6: Final answer
    x = 131.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.