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Finding the Fourth Proportional to 93,141.72, 139,698.36 and 33,977.43

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Solution

The fourth proportional to 93,141.72, 139,698.36 and 33,977.43 is: 50,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.72 : 139,698.36 = 33,977.43 : x
  2. Step 2: Convert to fraction form
    93,141.72/139,698.36 = 33,977.43/x
  3. Step 3: Cross multiply
    93,141.72x = 139,698.36 × 33,977.43
  4. Step 4: Simplify right side
    93,141.72x = 4,746,591,248.01
  5. Step 5: Solve for x
    x = 4,746,591,248.01/93,141.72
  6. Step 6: Final answer
    x = 50,960.96

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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.