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Finding the Fourth Proportional to 165,677.01, 248,496.99 and 45,742.97

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Solution

The fourth proportional to 165,677.01, 248,496.99 and 45,742.97 is: 68,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,677.01 : 248,496.99 = 45,742.97 : x
  2. Step 2: Convert to fraction form
    165,677.01/248,496.99 = 45,742.97/x
  3. Step 3: Cross multiply
    165,677.01x = 248,496.99 × 45,742.97
  4. Step 4: Simplify right side
    165,677.01x = 11,366,990,358.66
  5. Step 5: Solve for x
    x = 11,366,990,358.66/165,677.01
  6. Step 6: Final answer
    x = 68,609.34

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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.