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Finding the Fourth Proportional to 93,977.10, 131,742.90 and 93,977.10

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Solution

The fourth proportional to 93,977.10, 131,742.90 and 93,977.10 is: 131,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,977.10 : 131,742.90 = 93,977.10 : x
  2. Step 2: Convert to fraction form
    93,977.10/131,742.90 = 93,977.10/x
  3. Step 3: Cross multiply
    93,977.10x = 131,742.90 × 93,977.10
  4. Step 4: Simplify right side
    93,977.10x = 12,380,815,687.59
  5. Step 5: Solve for x
    x = 12,380,815,687.59/93,977.10
  6. Step 6: Final answer
    x = 131,742.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.