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Finding the Fourth Proportional to 93,013.53, 139,435.92 and 33,807.39

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Solution

The fourth proportional to 93,013.53, 139,435.92 and 33,807.39 is: 50,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,013.53 : 139,435.92 = 33,807.39 : x
  2. Step 2: Convert to fraction form
    93,013.53/139,435.92 = 33,807.39/x
  3. Step 3: Cross multiply
    93,013.53x = 139,435.92 × 33,807.39
  4. Step 4: Simplify right side
    93,013.53x = 4,713,964,527.45
  5. Step 5: Solve for x
    x = 4,713,964,527.45/93,013.53
  6. Step 6: Final answer
    x = 50,680.42

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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.