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Finding the Fourth Proportional to 165,879.53, 228,906.96 and 93,280.36

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Solution

The fourth proportional to 165,879.53, 228,906.96 and 93,280.36 is: 128,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,879.53 : 228,906.96 = 93,280.36 : x
  2. Step 2: Convert to fraction form
    165,879.53/228,906.96 = 93,280.36/x
  3. Step 3: Cross multiply
    165,879.53x = 228,906.96 × 93,280.36
  4. Step 4: Simplify right side
    165,879.53x = 21,352,522,490.77
  5. Step 5: Solve for x
    x = 21,352,522,490.77/165,879.53
  6. Step 6: Final answer
    x = 128,723.07

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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.