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Finding the Fourth Proportional to 165,755.66, 228,770.24 and 97,789.26

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Solution

The fourth proportional to 165,755.66, 228,770.24 and 97,789.26 is: 134,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,755.66 : 228,770.24 = 97,789.26 : x
  2. Step 2: Convert to fraction form
    165,755.66/228,770.24 = 97,789.26/x
  3. Step 3: Cross multiply
    165,755.66x = 228,770.24 × 97,789.26
  4. Step 4: Simplify right side
    165,755.66x = 22,371,271,990.68
  5. Step 5: Solve for x
    x = 22,371,271,990.68/165,755.66
  6. Step 6: Final answer
    x = 134,965.36

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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.