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Finding the Fourth Proportional to 241,051.60, 361,512.60 and 100,781.20

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Solution

The fourth proportional to 241,051.60, 361,512.60 and 100,781.20 is: 151,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,051.60 : 361,512.60 = 100,781.20 : x
  2. Step 2: Convert to fraction form
    241,051.60/361,512.60 = 100,781.20/x
  3. Step 3: Cross multiply
    241,051.60x = 361,512.60 × 100,781.20
  4. Step 4: Simplify right side
    241,051.60x = 36,433,673,643.12
  5. Step 5: Solve for x
    x = 36,433,673,643.12/241,051.60
  6. Step 6: Final answer
    x = 151,144.71

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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.