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Finding the Fourth Proportional to 93,503.64, 140,306.50 and 54,137.64

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Solution

The fourth proportional to 93,503.64, 140,306.50 and 54,137.64 is: 81,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,503.64 : 140,306.50 = 54,137.64 : x
  2. Step 2: Convert to fraction form
    93,503.64/140,306.50 = 54,137.64/x
  3. Step 3: Cross multiply
    93,503.64x = 140,306.50 × 54,137.64
  4. Step 4: Simplify right side
    93,503.64x = 7,595,862,786.66
  5. Step 5: Solve for x
    x = 7,595,862,786.66/93,503.64
  6. Step 6: Final answer
    x = 81,236.01

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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.