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Finding the Fourth Proportional to 225,034.80, 337,353.54 and 84,891.84

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Solution

The fourth proportional to 225,034.80, 337,353.54 and 84,891.84 is: 127,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,034.80 : 337,353.54 = 84,891.84 : x
  2. Step 2: Convert to fraction form
    225,034.80/337,353.54 = 84,891.84/x
  3. Step 3: Cross multiply
    225,034.80x = 337,353.54 × 84,891.84
  4. Step 4: Simplify right side
    225,034.80x = 28,638,562,741.11
  5. Step 5: Solve for x
    x = 28,638,562,741.11/225,034.80
  6. Step 6: Final answer
    x = 127,262.82

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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.