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Finding the Fourth Proportional to 273,079.54, 409,336.62 and 104,559.04

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Solution

The fourth proportional to 273,079.54, 409,336.62 and 104,559.04 is: 156,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,079.54 : 409,336.62 = 104,559.04 : x
  2. Step 2: Convert to fraction form
    273,079.54/409,336.62 = 104,559.04/x
  3. Step 3: Cross multiply
    273,079.54x = 409,336.62 × 104,559.04
  4. Step 4: Simplify right side
    273,079.54x = 42,799,844,024.04
  5. Step 5: Solve for x
    x = 42,799,844,024.04/273,079.54
  6. Step 6: Final answer
    x = 156,730.32

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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.