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Finding the Fourth Proportional to 95,457.94, 131,734.69 and 53,019.20

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Solution

The fourth proportional to 95,457.94, 131,734.69 and 53,019.20 is: 73,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,457.94 : 131,734.69 = 53,019.20 : x
  2. Step 2: Convert to fraction form
    95,457.94/131,734.69 = 53,019.20/x
  3. Step 3: Cross multiply
    95,457.94x = 131,734.69 × 53,019.20
  4. Step 4: Simplify right side
    95,457.94x = 6,984,468,072.84
  5. Step 5: Solve for x
    x = 6,984,468,072.84/95,457.94
  6. Step 6: Final answer
    x = 73,168.02

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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.