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Finding the Fourth Proportional to 95.46, 143 and 65.06

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Solution

The fourth proportional to 95.46, 143 and 65.06 is: 97.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.46 : 143 = 65.06 : x
  2. Step 2: Convert to fraction form
    95.46/143 = 65.06/x
  3. Step 3: Cross multiply
    95.46x = 143 × 65.06
  4. Step 4: Simplify right side
    95.46x = 9,303.58
  5. Step 5: Solve for x
    x = 9,303.58/95.46
  6. Step 6: Final answer
    x = 97.46

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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.