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Finding the Fourth Proportional to 165,658.80, 228,630.24 and 123,337.92

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Solution

The fourth proportional to 165,658.80, 228,630.24 and 123,337.92 is: 170,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,658.80 : 228,630.24 = 123,337.92 : x
  2. Step 2: Convert to fraction form
    165,658.80/228,630.24 = 123,337.92/x
  3. Step 3: Cross multiply
    165,658.80x = 228,630.24 × 123,337.92
  4. Step 4: Simplify right side
    165,658.80x = 28,198,778,250.70
  5. Step 5: Solve for x
    x = 28,198,778,250.70/165,658.80
  6. Step 6: Final answer
    x = 170,222.04

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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.