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Finding the Fourth Proportional to 159,071.62, 219,505.78 and 93,650.04

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Solution

The fourth proportional to 159,071.62, 219,505.78 and 93,650.04 is: 129,229.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,071.62 : 219,505.78 = 93,650.04 : x
  2. Step 2: Convert to fraction form
    159,071.62/219,505.78 = 93,650.04/x
  3. Step 3: Cross multiply
    159,071.62x = 219,505.78 × 93,650.04
  4. Step 4: Simplify right side
    159,071.62x = 20,556,725,077.23
  5. Step 5: Solve for x
    x = 20,556,725,077.23/159,071.62
  6. Step 6: Final answer
    x = 129,229.37

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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.