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Finding the Fourth Proportional to 271,918.89, 375,282.67 and 164,489.69

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Solution

The fourth proportional to 271,918.89, 375,282.67 and 164,489.69 is: 227,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,918.89 : 375,282.67 = 164,489.69 : x
  2. Step 2: Convert to fraction form
    271,918.89/375,282.67 = 164,489.69/x
  3. Step 3: Cross multiply
    271,918.89x = 375,282.67 × 164,489.69
  4. Step 4: Simplify right side
    271,918.89x = 61,730,130,654.76
  5. Step 5: Solve for x
    x = 61,730,130,654.76/271,918.89
  6. Step 6: Final answer
    x = 227,016.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.