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Finding the Fourth Proportional to 93,048.44, 139,609.92 and 33,888.20

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Solution

The fourth proportional to 93,048.44, 139,609.92 and 33,888.20 is: 50,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,048.44 : 139,609.92 = 33,888.20 : x
  2. Step 2: Convert to fraction form
    93,048.44/139,609.92 = 33,888.20/x
  3. Step 3: Cross multiply
    93,048.44x = 139,609.92 × 33,888.20
  4. Step 4: Simplify right side
    93,048.44x = 4,731,128,890.94
  5. Step 5: Solve for x
    x = 4,731,128,890.94/93,048.44
  6. Step 6: Final answer
    x = 50,845.87

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1.5x scale

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.