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Finding the Fourth Proportional to 99.01, 148.41 and 62.96

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Solution

The fourth proportional to 99.01, 148.41 and 62.96 is: 94.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.01 : 148.41 = 62.96 : x
  2. Step 2: Convert to fraction form
    99.01/148.41 = 62.96/x
  3. Step 3: Cross multiply
    99.01x = 148.41 × 62.96
  4. Step 4: Simplify right side
    99.01x = 9,343.89
  5. Step 5: Solve for x
    x = 9,343.89/99.01
  6. Step 6: Final answer
    x = 94.37

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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.