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Finding the Fourth Proportional to 168,358.30, 252,359.91 and 56,008.42

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Solution

The fourth proportional to 168,358.30, 252,359.91 and 56,008.42 is: 83,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.30 : 252,359.91 = 56,008.42 : x
  2. Step 2: Convert to fraction form
    168,358.30/252,359.91 = 56,008.42/x
  3. Step 3: Cross multiply
    168,358.30x = 252,359.91 × 56,008.42
  4. Step 4: Simplify right side
    168,358.30x = 14,134,279,830.44
  5. Step 5: Solve for x
    x = 14,134,279,830.44/168,358.30
  6. Step 6: Final answer
    x = 83,953.57

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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.