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Finding the Fourth Proportional to 146,489.42, 219,483 and 98,367.84

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Solution

The fourth proportional to 146,489.42, 219,483 and 98,367.84 is: 147,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,489.42 : 219,483 = 98,367.84 : x
  2. Step 2: Convert to fraction form
    146,489.42/219,483 = 98,367.84/x
  3. Step 3: Cross multiply
    146,489.42x = 219,483 × 98,367.84
  4. Step 4: Simplify right side
    146,489.42x = 21,590,068,626.72
  5. Step 5: Solve for x
    x = 21,590,068,626.72/146,489.42
  6. Step 6: Final answer
    x = 147,383.13

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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.