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Finding the Fourth Proportional to 104,213.53, 143,817.35 and 63,949.54

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Solution

The fourth proportional to 104,213.53, 143,817.35 and 63,949.54 is: 88,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,213.53 : 143,817.35 = 63,949.54 : x
  2. Step 2: Convert to fraction form
    104,213.53/143,817.35 = 63,949.54/x
  3. Step 3: Cross multiply
    104,213.53x = 143,817.35 × 63,949.54
  4. Step 4: Simplify right side
    104,213.53x = 9,197,053,376.52
  5. Step 5: Solve for x
    x = 9,197,053,376.52/104,213.53
  6. Step 6: Final answer
    x = 88,252.01

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1.5x scale

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.