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Finding the Fourth Proportional to 253,167.44, 379,808.76 and 134,776.40

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Solution

The fourth proportional to 253,167.44, 379,808.76 and 134,776.40 is: 202,195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,167.44 : 379,808.76 = 134,776.40 : x
  2. Step 2: Convert to fraction form
    253,167.44/379,808.76 = 134,776.40/x
  3. Step 3: Cross multiply
    253,167.44x = 379,808.76 × 134,776.40
  4. Step 4: Simplify right side
    253,167.44x = 51,189,257,361.26
  5. Step 5: Solve for x
    x = 51,189,257,361.26/253,167.44
  6. Step 6: Final answer
    x = 202,195.26

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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.