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Finding the Fourth Proportional to 94,749.88, 142,049.94 and 65,079.80

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Solution

The fourth proportional to 94,749.88, 142,049.94 and 65,079.80 is: 97,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,749.88 : 142,049.94 = 65,079.80 : x
  2. Step 2: Convert to fraction form
    94,749.88/142,049.94 = 65,079.80/x
  3. Step 3: Cross multiply
    94,749.88x = 142,049.94 × 65,079.80
  4. Step 4: Simplify right side
    94,749.88x = 9,244,581,685.21
  5. Step 5: Solve for x
    x = 9,244,581,685.21/94,749.88
  6. Step 6: Final answer
    x = 97,568.27

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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.