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Finding the Fourth Proportional to 241,169.64, 361,705.20 and 91,358.28

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Solution

The fourth proportional to 241,169.64, 361,705.20 and 91,358.28 is: 137,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,169.64 : 361,705.20 = 91,358.28 : x
  2. Step 2: Convert to fraction form
    241,169.64/361,705.20 = 91,358.28/x
  3. Step 3: Cross multiply
    241,169.64x = 361,705.20 × 91,358.28
  4. Step 4: Simplify right side
    241,169.64x = 33,044,764,939.06
  5. Step 5: Solve for x
    x = 33,044,764,939.06/241,169.64
  6. Step 6: Final answer
    x = 137,018.76

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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.