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Finding the Fourth Proportional to 165,043.92, 226,884.80 and 141,989.52

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Solution

The fourth proportional to 165,043.92, 226,884.80 and 141,989.52 is: 195,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,043.92 : 226,884.80 = 141,989.52 : x
  2. Step 2: Convert to fraction form
    165,043.92/226,884.80 = 141,989.52/x
  3. Step 3: Cross multiply
    165,043.92x = 226,884.80 × 141,989.52
  4. Step 4: Simplify right side
    165,043.92x = 32,215,263,847.30
  5. Step 5: Solve for x
    x = 32,215,263,847.30/165,043.92
  6. Step 6: Final answer
    x = 195,192.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.