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Finding the Fourth Proportional to 273,411.60, 409,825.80 and 104,866.80

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Solution

The fourth proportional to 273,411.60, 409,825.80 and 104,866.80 is: 157,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,411.60 : 409,825.80 = 104,866.80 : x
  2. Step 2: Convert to fraction form
    273,411.60/409,825.80 = 104,866.80/x
  3. Step 3: Cross multiply
    273,411.60x = 409,825.80 × 104,866.80
  4. Step 4: Simplify right side
    273,411.60x = 42,977,120,203.44
  5. Step 5: Solve for x
    x = 42,977,120,203.44/273,411.60
  6. Step 6: Final answer
    x = 157,188.36

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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.