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Finding the Fourth Proportional to 201,792.47, 278,493.26 and 150,716.52

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Solution

The fourth proportional to 201,792.47, 278,493.26 and 150,716.52 is: 208,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,792.47 : 278,493.26 = 150,716.52 : x
  2. Step 2: Convert to fraction form
    201,792.47/278,493.26 = 150,716.52/x
  3. Step 3: Cross multiply
    201,792.47x = 278,493.26 × 150,716.52
  4. Step 4: Simplify right side
    201,792.47x = 41,973,534,237.07
  5. Step 5: Solve for x
    x = 41,973,534,237.07/201,792.47
  6. Step 6: Final answer
    x = 208,003.48

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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.