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Finding the Fourth Proportional to 162,961.20, 228,301.20 and 162,961.20

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Solution

The fourth proportional to 162,961.20, 228,301.20 and 162,961.20 is: 228,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,961.20 : 228,301.20 = 162,961.20 : x
  2. Step 2: Convert to fraction form
    162,961.20/228,301.20 = 162,961.20/x
  3. Step 3: Cross multiply
    162,961.20x = 228,301.20 × 162,961.20
  4. Step 4: Simplify right side
    162,961.20x = 37,204,237,513.44
  5. Step 5: Solve for x
    x = 37,204,237,513.44/162,961.20
  6. Step 6: Final answer
    x = 228,301.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.