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Finding the Fourth Proportional to 273,535.60, 410,011.80 and 104,990.80

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Solution

The fourth proportional to 273,535.60, 410,011.80 and 104,990.80 is: 157,374.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,535.60 : 410,011.80 = 104,990.80 : x
  2. Step 2: Convert to fraction form
    273,535.60/410,011.80 = 104,990.80/x
  3. Step 3: Cross multiply
    273,535.60x = 410,011.80 × 104,990.80
  4. Step 4: Simplify right side
    273,535.60x = 43,047,466,891.44
  5. Step 5: Solve for x
    x = 43,047,466,891.44/273,535.60
  6. Step 6: Final answer
    x = 157,374.28

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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.