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Finding the Fourth Proportional to 104,219.54, 143,825.62 and 63,955.54

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Solution

The fourth proportional to 104,219.54, 143,825.62 and 63,955.54 is: 88,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,219.54 : 143,825.62 = 63,955.54 : x
  2. Step 2: Convert to fraction form
    104,219.54/143,825.62 = 63,955.54/x
  3. Step 3: Cross multiply
    104,219.54x = 143,825.62 × 63,955.54
  4. Step 4: Simplify right side
    104,219.54x = 9,198,445,192.93
  5. Step 5: Solve for x
    x = 9,198,445,192.93/104,219.54
  6. Step 6: Final answer
    x = 88,260.27

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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.