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Finding the Fourth Proportional to 93,672.30, 140,508.45 and 27,114.60

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Solution

The fourth proportional to 93,672.30, 140,508.45 and 27,114.60 is: 40,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,672.30 : 140,508.45 = 27,114.60 : x
  2. Step 2: Convert to fraction form
    93,672.30/140,508.45 = 27,114.60/x
  3. Step 3: Cross multiply
    93,672.30x = 140,508.45 × 27,114.60
  4. Step 4: Simplify right side
    93,672.30x = 3,809,830,418.37
  5. Step 5: Solve for x
    x = 3,809,830,418.37/93,672.30
  6. Step 6: Final answer
    x = 40,671.90

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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.