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Finding the Fourth Proportional to 265,588.35, 366,511.94 and 144,729.60

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Solution

The fourth proportional to 265,588.35, 366,511.94 and 144,729.60 is: 199,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,588.35 : 366,511.94 = 144,729.60 : x
  2. Step 2: Convert to fraction form
    265,588.35/366,511.94 = 144,729.60/x
  3. Step 3: Cross multiply
    265,588.35x = 366,511.94 × 144,729.60
  4. Step 4: Simplify right side
    265,588.35x = 53,045,125,747.78
  5. Step 5: Solve for x
    x = 53,045,125,747.78/265,588.35
  6. Step 6: Final answer
    x = 199,726.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.