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Finding the Fourth Proportional to 131,703.84, 197,383.47 and 52,873.38

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Solution

The fourth proportional to 131,703.84, 197,383.47 and 52,873.38 is: 79,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.84 : 197,383.47 = 52,873.38 : x
  2. Step 2: Convert to fraction form
    131,703.84/197,383.47 = 52,873.38/x
  3. Step 3: Cross multiply
    131,703.84x = 197,383.47 × 52,873.38
  4. Step 4: Simplify right side
    131,703.84x = 10,436,331,215.03
  5. Step 5: Solve for x
    x = 10,436,331,215.03/131,703.84
  6. Step 6: Final answer
    x = 79,240.90

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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.