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Finding the Fourth Proportional to 95,457.81, 131,734.52 and 53,019.08

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Solution

The fourth proportional to 95,457.81, 131,734.52 and 53,019.08 is: 73,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,457.81 : 131,734.52 = 53,019.08 : x
  2. Step 2: Convert to fraction form
    95,457.81/131,734.52 = 53,019.08/x
  3. Step 3: Cross multiply
    95,457.81x = 131,734.52 × 53,019.08
  4. Step 4: Simplify right side
    95,457.81x = 6,984,443,054.64
  5. Step 5: Solve for x
    x = 6,984,443,054.64/95,457.81
  6. Step 6: Final answer
    x = 73,167.85

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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.