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Finding the Fourth Proportional to 443,258.75, 664,888.17 and 110,834.75

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Solution

The fourth proportional to 443,258.75, 664,888.17 and 110,834.75 is: 166,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,258.75 : 664,888.17 = 110,834.75 : x
  2. Step 2: Convert to fraction form
    443,258.75/664,888.17 = 110,834.75/x
  3. Step 3: Cross multiply
    443,258.75x = 664,888.17 × 110,834.75
  4. Step 4: Simplify right side
    443,258.75x = 73,692,714,099.91
  5. Step 5: Solve for x
    x = 73,692,714,099.91/443,258.75
  6. Step 6: Final answer
    x = 166,252.14

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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.