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Finding the Fourth Proportional to 165,248.68, 228,043.20 and 89,797

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Solution

The fourth proportional to 165,248.68, 228,043.20 and 89,797 is: 123,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,248.68 : 228,043.20 = 89,797 : x
  2. Step 2: Convert to fraction form
    165,248.68/228,043.20 = 89,797/x
  3. Step 3: Cross multiply
    165,248.68x = 228,043.20 × 89,797
  4. Step 4: Simplify right side
    165,248.68x = 20,477,595,230.40
  5. Step 5: Solve for x
    x = 20,477,595,230.40/165,248.68
  6. Step 6: Final answer
    x = 123,919.87

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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.