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Finding the Fourth Proportional to 140,404.50, 210,606.75 and 41,908.50

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Solution

The fourth proportional to 140,404.50, 210,606.75 and 41,908.50 is: 62,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,404.50 : 210,606.75 = 41,908.50 : x
  2. Step 2: Convert to fraction form
    140,404.50/210,606.75 = 41,908.50/x
  3. Step 3: Cross multiply
    140,404.50x = 210,606.75 × 41,908.50
  4. Step 4: Simplify right side
    140,404.50x = 8,826,212,982.38
  5. Step 5: Solve for x
    x = 8,826,212,982.38/140,404.50
  6. Step 6: Final answer
    x = 62,862.75

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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.