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Finding the Fourth Proportional to 365,228.88, 547,843.31 and 98,989.39

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Solution

The fourth proportional to 365,228.88, 547,843.31 and 98,989.39 is: 148,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,228.88 : 547,843.31 = 98,989.39 : x
  2. Step 2: Convert to fraction form
    365,228.88/547,843.31 = 98,989.39/x
  3. Step 3: Cross multiply
    365,228.88x = 547,843.31 × 98,989.39
  4. Step 4: Simplify right side
    365,228.88x = 54,230,673,207.93
  5. Step 5: Solve for x
    x = 54,230,673,207.93/365,228.88
  6. Step 6: Final answer
    x = 148,484.08

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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.