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Finding the Fourth Proportional to 241,431.80, 361,814.16 and 91,512.96

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Solution

The fourth proportional to 241,431.80, 361,814.16 and 91,512.96 is: 137,143.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,431.80 : 361,814.16 = 91,512.96 : x
  2. Step 2: Convert to fraction form
    241,431.80/361,814.16 = 91,512.96/x
  3. Step 3: Cross multiply
    241,431.80x = 361,814.16 × 91,512.96
  4. Step 4: Simplify right side
    241,431.80x = 33,110,684,751.51
  5. Step 5: Solve for x
    x = 33,110,684,751.51/241,431.80
  6. Step 6: Final answer
    x = 137,143.01

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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.