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Finding the Fourth Proportional to 156,600.92, 216,678.84 and 136,499.96

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Solution

The fourth proportional to 156,600.92, 216,678.84 and 136,499.96 is: 188,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,600.92 : 216,678.84 = 136,499.96 : x
  2. Step 2: Convert to fraction form
    156,600.92/216,678.84 = 136,499.96/x
  3. Step 3: Cross multiply
    156,600.92x = 216,678.84 × 136,499.96
  4. Step 4: Simplify right side
    156,600.92x = 29,576,652,992.85
  5. Step 5: Solve for x
    x = 29,576,652,992.85/156,600.92
  6. Step 6: Final answer
    x = 188,866.41

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1.5x scale

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.