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Finding the Fourth Proportional to 336,820.95, 504,793.81 and 136,908.49

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Solution

The fourth proportional to 336,820.95, 504,793.81 and 136,908.49 is: 205,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,820.95 : 504,793.81 = 136,908.49 : x
  2. Step 2: Convert to fraction form
    336,820.95/504,793.81 = 136,908.49/x
  3. Step 3: Cross multiply
    336,820.95x = 504,793.81 × 136,908.49
  4. Step 4: Simplify right side
    336,820.95x = 69,110,558,288.45
  5. Step 5: Solve for x
    x = 69,110,558,288.45/336,820.95
  6. Step 6: Final answer
    x = 205,184.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.