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Finding the Fourth Proportional to 265,997.84, 398,793.65 and 132,973.56

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Solution

The fourth proportional to 265,997.84, 398,793.65 and 132,973.56 is: 199,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,997.84 : 398,793.65 = 132,973.56 : x
  2. Step 2: Convert to fraction form
    265,997.84/398,793.65 = 132,973.56/x
  3. Step 3: Cross multiply
    265,997.84x = 398,793.65 × 132,973.56
  4. Step 4: Simplify right side
    265,997.84x = 53,029,010,681.03
  5. Step 5: Solve for x
    x = 53,029,010,681.03/265,997.84
  6. Step 6: Final answer
    x = 199,358.81

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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.