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Finding the Fourth Proportional to 196,643.60, 294,998.88 and 63,507.68

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Solution

The fourth proportional to 196,643.60, 294,998.88 and 63,507.68 is: 95,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,643.60 : 294,998.88 = 63,507.68 : x
  2. Step 2: Convert to fraction form
    196,643.60/294,998.88 = 63,507.68/x
  3. Step 3: Cross multiply
    196,643.60x = 294,998.88 × 63,507.68
  4. Step 4: Simplify right side
    196,643.60x = 18,734,694,471.40
  5. Step 5: Solve for x
    x = 18,734,694,471.40/196,643.60
  6. Step 6: Final answer
    x = 95,272.33

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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.