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Finding the Fourth Proportional to 587,902.11, 881,758.70 and 161,338.29

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Solution

The fourth proportional to 587,902.11, 881,758.70 and 161,338.29 is: 241,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,902.11 : 881,758.70 = 161,338.29 : x
  2. Step 2: Convert to fraction form
    587,902.11/881,758.70 = 161,338.29/x
  3. Step 3: Cross multiply
    587,902.11x = 881,758.70 × 161,338.29
  4. Step 4: Simplify right side
    587,902.11x = 142,261,440,043.93
  5. Step 5: Solve for x
    x = 142,261,440,043.93/587,902.11
  6. Step 6: Final answer
    x = 241,981.51

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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.