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Finding the Fourth Proportional to 298,786.88, 448,179.66 and 93,637.27

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Solution

The fourth proportional to 298,786.88, 448,179.66 and 93,637.27 is: 140,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,786.88 : 448,179.66 = 93,637.27 : x
  2. Step 2: Convert to fraction form
    298,786.88/448,179.66 = 93,637.27/x
  3. Step 3: Cross multiply
    298,786.88x = 448,179.66 × 93,637.27
  4. Step 4: Simplify right side
    298,786.88x = 41,966,317,607.79
  5. Step 5: Solve for x
    x = 41,966,317,607.79/298,786.88
  6. Step 6: Final answer
    x = 140,455.69

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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.