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Finding the Fourth Proportional to 165,236.01, 228,024.90 and 93,615.89

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Solution

The fourth proportional to 165,236.01, 228,024.90 and 93,615.89 is: 129,189.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,236.01 : 228,024.90 = 93,615.89 : x
  2. Step 2: Convert to fraction form
    165,236.01/228,024.90 = 93,615.89/x
  3. Step 3: Cross multiply
    165,236.01x = 228,024.90 × 93,615.89
  4. Step 4: Simplify right side
    165,236.01x = 21,346,752,815.54
  5. Step 5: Solve for x
    x = 21,346,752,815.54/165,236.01
  6. Step 6: Final answer
    x = 129,189.47

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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.