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Finding the Fourth Proportional to 159,197.67, 219,703.28 and 94,649.67

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Solution

The fourth proportional to 159,197.67, 219,703.28 and 94,649.67 is: 130,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,197.67 : 219,703.28 = 94,649.67 : x
  2. Step 2: Convert to fraction form
    159,197.67/219,703.28 = 94,649.67/x
  3. Step 3: Cross multiply
    159,197.67x = 219,703.28 × 94,649.67
  4. Step 4: Simplify right side
    159,197.67x = 20,794,842,476.67
  5. Step 5: Solve for x
    x = 20,794,842,476.67/159,197.67
  6. Step 6: Final answer
    x = 130,622.78

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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.