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Finding the Fourth Proportional to 146,490.67, 219,509.84 and 98,919.33

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Solution

The fourth proportional to 146,490.67, 219,509.84 and 98,919.33 is: 148,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,490.67 : 219,509.84 = 98,919.33 : x
  2. Step 2: Convert to fraction form
    146,490.67/219,509.84 = 98,919.33/x
  3. Step 3: Cross multiply
    146,490.67x = 219,509.84 × 98,919.33
  4. Step 4: Simplify right side
    146,490.67x = 21,713,766,301.21
  5. Step 5: Solve for x
    x = 21,713,766,301.21/146,490.67
  6. Step 6: Final answer
    x = 148,226.27

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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.