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Finding the Fourth Proportional to 273,098.52, 409,366.30 and 104,572.80

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Solution

The fourth proportional to 273,098.52, 409,366.30 and 104,572.80 is: 156,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,098.52 : 409,366.30 = 104,572.80 : x
  2. Step 2: Convert to fraction form
    273,098.52/409,366.30 = 104,572.80/x
  3. Step 3: Cross multiply
    273,098.52x = 409,366.30 × 104,572.80
  4. Step 4: Simplify right side
    273,098.52x = 42,808,580,216.64
  5. Step 5: Solve for x
    x = 42,808,580,216.64/273,098.52
  6. Step 6: Final answer
    x = 156,751.42

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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.