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Finding the Fourth Proportional to 156,714.67, 216,358.54 and 95,483.96

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Solution

The fourth proportional to 156,714.67, 216,358.54 and 95,483.96 is: 131,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,714.67 : 216,358.54 = 95,483.96 : x
  2. Step 2: Convert to fraction form
    156,714.67/216,358.54 = 95,483.96/x
  3. Step 3: Cross multiply
    156,714.67x = 216,358.54 × 95,483.96
  4. Step 4: Simplify right side
    156,714.67x = 20,658,768,858.52
  5. Step 5: Solve for x
    x = 20,658,768,858.52/156,714.67
  6. Step 6: Final answer
    x = 131,824.09

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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.