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Finding the Fourth Proportional to 165,630.80, 228,552.36 and 93,033.20

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Solution

The fourth proportional to 165,630.80, 228,552.36 and 93,033.20 is: 128,375.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.80 : 228,552.36 = 93,033.20 : x
  2. Step 2: Convert to fraction form
    165,630.80/228,552.36 = 93,033.20/x
  3. Step 3: Cross multiply
    165,630.80x = 228,552.36 × 93,033.20
  4. Step 4: Simplify right side
    165,630.80x = 21,262,957,418.35
  5. Step 5: Solve for x
    x = 21,262,957,418.35/165,630.80
  6. Step 6: Final answer
    x = 128,375.62

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1.5x scale

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.