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Finding the Fourth Proportional to 165,254.28, 228,033 and 93,633

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Solution

The fourth proportional to 165,254.28, 228,033 and 93,633 is: 129,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,254.28 : 228,033 = 93,633 : x
  2. Step 2: Convert to fraction form
    165,254.28/228,033 = 93,633/x
  3. Step 3: Cross multiply
    165,254.28x = 228,033 × 93,633
  4. Step 4: Simplify right side
    165,254.28x = 21,351,413,889
  5. Step 5: Solve for x
    x = 21,351,413,889/165,254.28
  6. Step 6: Final answer
    x = 129,203.39

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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.