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Finding the Fourth Proportional to 99, 148.26 and 62.34

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Solution

The fourth proportional to 99, 148.26 and 62.34 is: 93.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99 : 148.26 = 62.34 : x
  2. Step 2: Convert to fraction form
    99/148.26 = 62.34/x
  3. Step 3: Cross multiply
    99x = 148.26 × 62.34
  4. Step 4: Simplify right side
    99x = 9,242.53
  5. Step 5: Solve for x
    x = 9,242.53/99
  6. Step 6: Final answer
    x = 93.36

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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.