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Finding the Fourth Proportional to 337,225.20, 505,871.80 and 109,511.28

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Solution

The fourth proportional to 337,225.20, 505,871.80 and 109,511.28 is: 164,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,225.20 : 505,871.80 = 109,511.28 : x
  2. Step 2: Convert to fraction form
    337,225.20/505,871.80 = 109,511.28/x
  3. Step 3: Cross multiply
    337,225.20x = 505,871.80 × 109,511.28
  4. Step 4: Simplify right side
    337,225.20x = 55,398,668,333.90
  5. Step 5: Solve for x
    x = 55,398,668,333.90/337,225.20
  6. Step 6: Final answer
    x = 164,277.96

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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.