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Finding the Fourth Proportional to 67,396.34, 101,207.30 and 64,714.43

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Solution

The fourth proportional to 67,396.34, 101,207.30 and 64,714.43 is: 97,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396.34 : 101,207.30 = 64,714.43 : x
  2. Step 2: Convert to fraction form
    67,396.34/101,207.30 = 64,714.43/x
  3. Step 3: Cross multiply
    67,396.34x = 101,207.30 × 64,714.43
  4. Step 4: Simplify right side
    67,396.34x = 6,549,571,901.73
  5. Step 5: Solve for x
    x = 6,549,571,901.73/67,396.34
  6. Step 6: Final answer
    x = 97,179.94

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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.