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Finding the Fourth Proportional to 129,714.48, 194,577 and 58,623.48

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Solution

The fourth proportional to 129,714.48, 194,577 and 58,623.48 is: 87,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714.48 : 194,577 = 58,623.48 : x
  2. Step 2: Convert to fraction form
    129,714.48/194,577 = 58,623.48/x
  3. Step 3: Cross multiply
    129,714.48x = 194,577 × 58,623.48
  4. Step 4: Simplify right side
    129,714.48x = 11,406,780,867.96
  5. Step 5: Solve for x
    x = 11,406,780,867.96/129,714.48
  6. Step 6: Final answer
    x = 87,937.61

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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.