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Finding the Fourth Proportional to 254,687.72, 382,031.10 and 67,699.22

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Solution

The fourth proportional to 254,687.72, 382,031.10 and 67,699.22 is: 101,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,687.72 : 382,031.10 = 67,699.22 : x
  2. Step 2: Convert to fraction form
    254,687.72/382,031.10 = 67,699.22/x
  3. Step 3: Cross multiply
    254,687.72x = 382,031.10 × 67,699.22
  4. Step 4: Simplify right side
    254,687.72x = 25,863,207,485.74
  5. Step 5: Solve for x
    x = 25,863,207,485.74/254,687.72
  6. Step 6: Final answer
    x = 101,548.70

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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.