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Finding the Fourth Proportional to 93,676.60, 140,223.30 and 54,116.20

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Solution

The fourth proportional to 93,676.60, 140,223.30 and 54,116.20 is: 81,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,676.60 : 140,223.30 = 54,116.20 : x
  2. Step 2: Convert to fraction form
    93,676.60/140,223.30 = 54,116.20/x
  3. Step 3: Cross multiply
    93,676.60x = 140,223.30 × 54,116.20
  4. Step 4: Simplify right side
    93,676.60x = 7,588,352,147.46
  5. Step 5: Solve for x
    x = 7,588,352,147.46/93,676.60
  6. Step 6: Final answer
    x = 81,005.85

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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.