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Finding the Fourth Proportional to 146,522.80, 219,784.20 and 96,659.20

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Solution

The fourth proportional to 146,522.80, 219,784.20 and 96,659.20 is: 144,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,522.80 : 219,784.20 = 96,659.20 : x
  2. Step 2: Convert to fraction form
    146,522.80/219,784.20 = 96,659.20/x
  3. Step 3: Cross multiply
    146,522.80x = 219,784.20 × 96,659.20
  4. Step 4: Simplify right side
    146,522.80x = 21,244,164,944.64
  5. Step 5: Solve for x
    x = 21,244,164,944.64/146,522.80
  6. Step 6: Final answer
    x = 144,988.80

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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.