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Finding the Fourth Proportional to 116,025.30, 173,871.90 and 65,999.70

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Solution

The fourth proportional to 116,025.30, 173,871.90 and 65,999.70 is: 98,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,025.30 : 173,871.90 = 65,999.70 : x
  2. Step 2: Convert to fraction form
    116,025.30/173,871.90 = 65,999.70/x
  3. Step 3: Cross multiply
    116,025.30x = 173,871.90 × 65,999.70
  4. Step 4: Simplify right side
    116,025.30x = 11,475,493,238.43
  5. Step 5: Solve for x
    x = 11,475,493,238.43/116,025.30
  6. Step 6: Final answer
    x = 98,905.09

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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.