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Finding the Fourth Proportional to 273,800.59, 410,739.81 and 84,276.76

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Solution

The fourth proportional to 273,800.59, 410,739.81 and 84,276.76 is: 126,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,800.59 : 410,739.81 = 84,276.76 : x
  2. Step 2: Convert to fraction form
    273,800.59/410,739.81 = 84,276.76/x
  3. Step 3: Cross multiply
    273,800.59x = 410,739.81 × 84,276.76
  4. Step 4: Simplify right side
    273,800.59x = 34,615,820,587.20
  5. Step 5: Solve for x
    x = 34,615,820,587.20/273,800.59
  6. Step 6: Final answer
    x = 126,427.12

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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.