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Finding the Fourth Proportional to 165,561.44, 228,518.72 and 101,952.54

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Solution

The fourth proportional to 165,561.44, 228,518.72 and 101,952.54 is: 140,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561.44 : 228,518.72 = 101,952.54 : x
  2. Step 2: Convert to fraction form
    165,561.44/228,518.72 = 101,952.54/x
  3. Step 3: Cross multiply
    165,561.44x = 228,518.72 × 101,952.54
  4. Step 4: Simplify right side
    165,561.44x = 23,298,063,941.55
  5. Step 5: Solve for x
    x = 23,298,063,941.55/165,561.44
  6. Step 6: Final answer
    x = 140,721.56

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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.