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Finding the Fourth Proportional to 273,743.10, 410,483.43 and 140,554.80

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Solution

The fourth proportional to 273,743.10, 410,483.43 and 140,554.80 is: 210,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,743.10 : 410,483.43 = 140,554.80 : x
  2. Step 2: Convert to fraction form
    273,743.10/410,483.43 = 140,554.80/x
  3. Step 3: Cross multiply
    273,743.10x = 410,483.43 × 140,554.80
  4. Step 4: Simplify right side
    273,743.10x = 57,695,416,406.96
  5. Step 5: Solve for x
    x = 57,695,416,406.96/273,743.10
  6. Step 6: Final answer
    x = 210,764.82

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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.