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Finding the Fourth Proportional to 165,902.40, 248,854.53 and 41,243.40

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Solution

The fourth proportional to 165,902.40, 248,854.53 and 41,243.40 is: 61,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902.40 : 248,854.53 = 41,243.40 : x
  2. Step 2: Convert to fraction form
    165,902.40/248,854.53 = 41,243.40/x
  3. Step 3: Cross multiply
    165,902.40x = 248,854.53 × 41,243.40
  4. Step 4: Simplify right side
    165,902.40x = 10,263,606,922.60
  5. Step 5: Solve for x
    x = 10,263,606,922.60/165,902.40
  6. Step 6: Final answer
    x = 61,865.33

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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.