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Finding the Fourth Proportional to 236,793.51, 326,773.85 and 129,369.69

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Solution

The fourth proportional to 236,793.51, 326,773.85 and 129,369.69 is: 178,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,793.51 : 326,773.85 = 129,369.69 : x
  2. Step 2: Convert to fraction form
    236,793.51/326,773.85 = 129,369.69/x
  3. Step 3: Cross multiply
    236,793.51x = 326,773.85 × 129,369.69
  4. Step 4: Simplify right side
    236,793.51x = 42,274,631,027.76
  5. Step 5: Solve for x
    x = 42,274,631,027.76/236,793.51
  6. Step 6: Final answer
    x = 178,529.52

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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.