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Finding the Fourth Proportional to 241,037.76, 361,342.72 and 91,173.12

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Solution

The fourth proportional to 241,037.76, 361,342.72 and 91,173.12 is: 136,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,037.76 : 361,342.72 = 91,173.12 : x
  2. Step 2: Convert to fraction form
    241,037.76/361,342.72 = 91,173.12/x
  3. Step 3: Cross multiply
    241,037.76x = 361,342.72 × 91,173.12
  4. Step 4: Simplify right side
    241,037.76x = 32,944,743,171.69
  5. Step 5: Solve for x
    x = 32,944,743,171.69/241,037.76
  6. Step 6: Final answer
    x = 136,678.76

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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.