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Finding the Fourth Proportional to 146,531.20, 219,796.80 and 95,792.80

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Solution

The fourth proportional to 146,531.20, 219,796.80 and 95,792.80 is: 143,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,531.20 : 219,796.80 = 95,792.80 : x
  2. Step 2: Convert to fraction form
    146,531.20/219,796.80 = 95,792.80/x
  3. Step 3: Cross multiply
    146,531.20x = 219,796.80 × 95,792.80
  4. Step 4: Simplify right side
    146,531.20x = 21,054,950,903.04
  5. Step 5: Solve for x
    x = 21,054,950,903.04/146,531.20
  6. Step 6: Final answer
    x = 143,689.20

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1.5x scale

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.