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Finding the Fourth Proportional to 201,773.70, 302,660.55 and 54,029.70

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Solution

The fourth proportional to 201,773.70, 302,660.55 and 54,029.70 is: 81,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,773.70 : 302,660.55 = 54,029.70 : x
  2. Step 2: Convert to fraction form
    201,773.70/302,660.55 = 54,029.70/x
  3. Step 3: Cross multiply
    201,773.70x = 302,660.55 × 54,029.70
  4. Step 4: Simplify right side
    201,773.70x = 16,352,658,718.34
  5. Step 5: Solve for x
    x = 16,352,658,718.34/201,773.70
  6. Step 6: Final answer
    x = 81,044.55

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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.