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Finding the Fourth Proportional to 165,792.56, 248,716.40 and 65,953.72

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Solution

The fourth proportional to 165,792.56, 248,716.40 and 65,953.72 is: 98,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,792.56 : 248,716.40 = 65,953.72 : x
  2. Step 2: Convert to fraction form
    165,792.56/248,716.40 = 65,953.72/x
  3. Step 3: Cross multiply
    165,792.56x = 248,716.40 × 65,953.72
  4. Step 4: Simplify right side
    165,792.56x = 16,403,770,231.66
  5. Step 5: Solve for x
    x = 16,403,770,231.66/165,792.56
  6. Step 6: Final answer
    x = 98,941.53

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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.