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Finding the Fourth Proportional to 260,833.62, 390,895.47 and 110,885.46

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Solution

The fourth proportional to 260,833.62, 390,895.47 and 110,885.46 is: 166,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,833.62 : 390,895.47 = 110,885.46 : x
  2. Step 2: Convert to fraction form
    260,833.62/390,895.47 = 110,885.46/x
  3. Step 3: Cross multiply
    260,833.62x = 390,895.47 × 110,885.46
  4. Step 4: Simplify right side
    260,833.62x = 43,344,624,002.87
  5. Step 5: Solve for x
    x = 43,344,624,002.87/260,833.62
  6. Step 6: Final answer
    x = 166,177.29

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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.