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Finding the Fourth Proportional to 255,344.45, 352,361.84 and 146,443.16

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Solution

The fourth proportional to 255,344.45, 352,361.84 and 146,443.16 is: 202,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,344.45 : 352,361.84 = 146,443.16 : x
  2. Step 2: Convert to fraction form
    255,344.45/352,361.84 = 146,443.16/x
  3. Step 3: Cross multiply
    255,344.45x = 352,361.84 × 146,443.16
  4. Step 4: Simplify right side
    255,344.45x = 51,600,981,461.70
  5. Step 5: Solve for x
    x = 51,600,981,461.70/255,344.45
  6. Step 6: Final answer
    x = 202,083.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.