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Finding the Fourth Proportional to 156,187.52, 234,279.21 and 37,859.93

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Solution

The fourth proportional to 156,187.52, 234,279.21 and 37,859.93 is: 56,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.52 : 234,279.21 = 37,859.93 : x
  2. Step 2: Convert to fraction form
    156,187.52/234,279.21 = 37,859.93/x
  3. Step 3: Cross multiply
    156,187.52x = 234,279.21 × 37,859.93
  4. Step 4: Simplify right side
    156,187.52x = 8,869,794,491.06
  5. Step 5: Solve for x
    x = 8,869,794,491.06/156,187.52
  6. Step 6: Final answer
    x = 56,789.39

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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.