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Finding the Fourth Proportional to 165,436.96, 228,180.80 and 104,955.52

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Solution

The fourth proportional to 165,436.96, 228,180.80 and 104,955.52 is: 144,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,436.96 : 228,180.80 = 104,955.52 : x
  2. Step 2: Convert to fraction form
    165,436.96/228,180.80 = 104,955.52/x
  3. Step 3: Cross multiply
    165,436.96x = 228,180.80 × 104,955.52
  4. Step 4: Simplify right side
    165,436.96x = 23,948,834,518.02
  5. Step 5: Solve for x
    x = 23,948,834,518.02/165,436.96
  6. Step 6: Final answer
    x = 144,761.09

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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.