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Finding the Fourth Proportional to 489,169.80, 733,676.13 and 134,101.44

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Solution

The fourth proportional to 489,169.80, 733,676.13 and 134,101.44 is: 201,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,169.80 : 733,676.13 = 134,101.44 : x
  2. Step 2: Convert to fraction form
    489,169.80/733,676.13 = 134,101.44/x
  3. Step 3: Cross multiply
    489,169.80x = 733,676.13 × 134,101.44
  4. Step 4: Simplify right side
    489,169.80x = 98,387,025,526.63
  5. Step 5: Solve for x
    x = 98,387,025,526.63/489,169.80
  6. Step 6: Final answer
    x = 201,130.62

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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.