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Finding the Fourth Proportional to 95,457.79, 131,724.02 and 55,174.15

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Solution

The fourth proportional to 95,457.79, 131,724.02 and 55,174.15 is: 76,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,457.79 : 131,724.02 = 55,174.15 : x
  2. Step 2: Convert to fraction form
    95,457.79/131,724.02 = 55,174.15/x
  3. Step 3: Cross multiply
    95,457.79x = 131,724.02 × 55,174.15
  4. Step 4: Simplify right side
    95,457.79x = 7,267,759,903.59
  5. Step 5: Solve for x
    x = 7,267,759,903.59/95,457.79
  6. Step 6: Final answer
    x = 76,135.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.