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Finding the Fourth Proportional to 93,289.32, 139,948.02 and 33,313.14

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Solution

The fourth proportional to 93,289.32, 139,948.02 and 33,313.14 is: 49,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.32 : 139,948.02 = 33,313.14 : x
  2. Step 2: Convert to fraction form
    93,289.32/139,948.02 = 33,313.14/x
  3. Step 3: Cross multiply
    93,289.32x = 139,948.02 × 33,313.14
  4. Step 4: Simplify right side
    93,289.32x = 4,662,107,982.98
  5. Step 5: Solve for x
    x = 4,662,107,982.98/93,289.32
  6. Step 6: Final answer
    x = 49,974.72

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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.