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Finding the Fourth Proportional to 241,126.47, 361,749.65 and 72,642.96

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Solution

The fourth proportional to 241,126.47, 361,749.65 and 72,642.96 is: 108,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,126.47 : 361,749.65 = 72,642.96 : x
  2. Step 2: Convert to fraction form
    241,126.47/361,749.65 = 72,642.96/x
  3. Step 3: Cross multiply
    241,126.47x = 361,749.65 × 72,642.96
  4. Step 4: Simplify right side
    241,126.47x = 26,278,564,991.75
  5. Step 5: Solve for x
    x = 26,278,564,991.75/241,126.47
  6. Step 6: Final answer
    x = 108,982.50

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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.