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Finding the Fourth Proportional to 93,147.49, 139,636.97 and 33,969.30

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Solution

The fourth proportional to 93,147.49, 139,636.97 and 33,969.30 is: 50,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,147.49 : 139,636.97 = 33,969.30 : x
  2. Step 2: Convert to fraction form
    93,147.49/139,636.97 = 33,969.30/x
  3. Step 3: Cross multiply
    93,147.49x = 139,636.97 × 33,969.30
  4. Step 4: Simplify right side
    93,147.49x = 4,743,370,125.02
  5. Step 5: Solve for x
    x = 4,743,370,125.02/93,147.49
  6. Step 6: Final answer
    x = 50,923.22

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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.