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Finding the Fourth Proportional to 95,457.95, 131,731.95 and 53,020.43

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Solution

The fourth proportional to 95,457.95, 131,731.95 and 53,020.43 is: 73,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,457.95 : 131,731.95 = 53,020.43 : x
  2. Step 2: Convert to fraction form
    95,457.95/131,731.95 = 53,020.43/x
  3. Step 3: Cross multiply
    95,457.95x = 131,731.95 × 53,020.43
  4. Step 4: Simplify right side
    95,457.95x = 6,984,484,633.74
  5. Step 5: Solve for x
    x = 6,984,484,633.74/95,457.95
  6. Step 6: Final answer
    x = 73,168.18

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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.