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Finding the Fourth Proportional to 165,362.16, 228,199.48 and 89,910.48

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Solution

The fourth proportional to 165,362.16, 228,199.48 and 89,910.48 is: 124,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,362.16 : 228,199.48 = 89,910.48 : x
  2. Step 2: Convert to fraction form
    165,362.16/228,199.48 = 89,910.48/x
  3. Step 3: Cross multiply
    165,362.16x = 228,199.48 × 89,910.48
  4. Step 4: Simplify right side
    165,362.16x = 20,517,524,782.55
  5. Step 5: Solve for x
    x = 20,517,524,782.55/165,362.16
  6. Step 6: Final answer
    x = 124,076.30

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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.