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Finding the Fourth Proportional to 93,465.60, 140,230.80 and 40,912.80

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Solution

The fourth proportional to 93,465.60, 140,230.80 and 40,912.80 is: 61,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465.60 : 140,230.80 = 40,912.80 : x
  2. Step 2: Convert to fraction form
    93,465.60/140,230.80 = 40,912.80/x
  3. Step 3: Cross multiply
    93,465.60x = 140,230.80 × 40,912.80
  4. Step 4: Simplify right side
    93,465.60x = 5,737,234,674.24
  5. Step 5: Solve for x
    x = 5,737,234,674.24/93,465.60
  6. Step 6: Final answer
    x = 61,383.38

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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.