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Finding the Fourth Proportional to 93,569.20, 140,310.60 and 40,951.60

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Solution

The fourth proportional to 93,569.20, 140,310.60 and 40,951.60 is: 61,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,569.20 : 140,310.60 = 40,951.60 : x
  2. Step 2: Convert to fraction form
    93,569.20/140,310.60 = 40,951.60/x
  3. Step 3: Cross multiply
    93,569.20x = 140,310.60 × 40,951.60
  4. Step 4: Simplify right side
    93,569.20x = 5,745,943,566.96
  5. Step 5: Solve for x
    x = 5,745,943,566.96/93,569.20
  6. Step 6: Final answer
    x = 61,408.49

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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.