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Finding the Fourth Proportional to 165,879.50, 228,913.78 and 94,259.60

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Solution

The fourth proportional to 165,879.50, 228,913.78 and 94,259.60 is: 130,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,879.50 : 228,913.78 = 94,259.60 : x
  2. Step 2: Convert to fraction form
    165,879.50/228,913.78 = 94,259.60/x
  3. Step 3: Cross multiply
    165,879.50x = 228,913.78 × 94,259.60
  4. Step 4: Simplify right side
    165,879.50x = 21,577,321,337.29
  5. Step 5: Solve for x
    x = 21,577,321,337.29/165,879.50
  6. Step 6: Final answer
    x = 130,078.29

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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.