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Finding the Fourth Proportional to 156,562.46, 216,053.48 and 95,286.47

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Solution

The fourth proportional to 156,562.46, 216,053.48 and 95,286.47 is: 131,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,562.46 : 216,053.48 = 95,286.47 : x
  2. Step 2: Convert to fraction form
    156,562.46/216,053.48 = 95,286.47/x
  3. Step 3: Cross multiply
    156,562.46x = 216,053.48 × 95,286.47
  4. Step 4: Simplify right side
    156,562.46x = 20,586,971,883.72
  5. Step 5: Solve for x
    x = 20,586,971,883.72/156,562.46
  6. Step 6: Final answer
    x = 131,493.67

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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.