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Finding the Fourth Proportional to 93,135.65, 139,619.22 and 33,957.47

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Solution

The fourth proportional to 93,135.65, 139,619.22 and 33,957.47 is: 50,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,135.65 : 139,619.22 = 33,957.47 : x
  2. Step 2: Convert to fraction form
    93,135.65/139,619.22 = 33,957.47/x
  3. Step 3: Cross multiply
    93,135.65x = 139,619.22 × 33,957.47
  4. Step 4: Simplify right side
    93,135.65x = 4,741,114,776.48
  5. Step 5: Solve for x
    x = 4,741,114,776.48/93,135.65
  6. Step 6: Final answer
    x = 50,905.48

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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.