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Finding the Fourth Proportional to 93,673.20, 140,509.80 and 89,736.60

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Solution

The fourth proportional to 93,673.20, 140,509.80 and 89,736.60 is: 134,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,673.20 : 140,509.80 = 89,736.60 : x
  2. Step 2: Convert to fraction form
    93,673.20/140,509.80 = 89,736.60/x
  3. Step 3: Cross multiply
    93,673.20x = 140,509.80 × 89,736.60
  4. Step 4: Simplify right side
    93,673.20x = 12,608,871,718.68
  5. Step 5: Solve for x
    x = 12,608,871,718.68/93,673.20
  6. Step 6: Final answer
    x = 134,604.90

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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.