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Finding the Fourth Proportional to 191,343.43, 264,086.30 and 110,819.91

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Solution

The fourth proportional to 191,343.43, 264,086.30 and 110,819.91 is: 152,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,343.43 : 264,086.30 = 110,819.91 : x
  2. Step 2: Convert to fraction form
    191,343.43/264,086.30 = 110,819.91/x
  3. Step 3: Cross multiply
    191,343.43x = 264,086.30 × 110,819.91
  4. Step 4: Simplify right side
    191,343.43x = 29,266,019,444.13
  5. Step 5: Solve for x
    x = 29,266,019,444.13/191,343.43
  6. Step 6: Final answer
    x = 152,950.22

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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.