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Finding the Fourth Proportional to 108,572.87, 162,819.28 and 37,477.42

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Solution

The fourth proportional to 108,572.87, 162,819.28 and 37,477.42 is: 56,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,572.87 : 162,819.28 = 37,477.42 : x
  2. Step 2: Convert to fraction form
    108,572.87/162,819.28 = 37,477.42/x
  3. Step 3: Cross multiply
    108,572.87x = 162,819.28 × 37,477.42
  4. Step 4: Simplify right side
    108,572.87x = 6,102,046,180.46
  5. Step 5: Solve for x
    x = 6,102,046,180.46/108,572.87
  6. Step 6: Final answer
    x = 56,202.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.