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Finding the Fourth Proportional to 93,595.40, 140,174.40 and 91,716.20

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Solution

The fourth proportional to 93,595.40, 140,174.40 and 91,716.20 is: 137,359.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,595.40 : 140,174.40 = 91,716.20 : x
  2. Step 2: Convert to fraction form
    93,595.40/140,174.40 = 91,716.20/x
  3. Step 3: Cross multiply
    93,595.40x = 140,174.40 × 91,716.20
  4. Step 4: Simplify right side
    93,595.40x = 12,856,263,305.28
  5. Step 5: Solve for x
    x = 12,856,263,305.28/93,595.40
  6. Step 6: Final answer
    x = 137,359.99

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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.