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Finding the Fourth Proportional to 99.04, 148.44 and 44.82

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Solution

The fourth proportional to 99.04, 148.44 and 44.82 is: 67.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.04 : 148.44 = 44.82 : x
  2. Step 2: Convert to fraction form
    99.04/148.44 = 44.82/x
  3. Step 3: Cross multiply
    99.04x = 148.44 × 44.82
  4. Step 4: Simplify right side
    99.04x = 6,653.08
  5. Step 5: Solve for x
    x = 6,653.08/99.04
  6. Step 6: Final answer
    x = 67.18

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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.