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Finding the Fourth Proportional to 165,276.60, 228,080.60 and 89,825.10

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Solution

The fourth proportional to 165,276.60, 228,080.60 and 89,825.10 is: 123,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.60 : 228,080.60 = 89,825.10 : x
  2. Step 2: Convert to fraction form
    165,276.60/228,080.60 = 89,825.10/x
  3. Step 3: Cross multiply
    165,276.60x = 228,080.60 × 89,825.10
  4. Step 4: Simplify right side
    165,276.60x = 20,487,362,703.06
  5. Step 5: Solve for x
    x = 20,487,362,703.06/165,276.60
  6. Step 6: Final answer
    x = 123,958.04

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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.