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Finding the Fourth Proportional to 65,749.55, 98,494.41 and 43,495.61

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Solution

The fourth proportional to 65,749.55, 98,494.41 and 43,495.61 is: 65,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.55 : 98,494.41 = 43,495.61 : x
  2. Step 2: Convert to fraction form
    65,749.55/98,494.41 = 43,495.61/x
  3. Step 3: Cross multiply
    65,749.55x = 98,494.41 × 43,495.61
  4. Step 4: Simplify right side
    65,749.55x = 4,284,074,444.54
  5. Step 5: Solve for x
    x = 4,284,074,444.54/65,749.55
  6. Step 6: Final answer
    x = 65,157.47

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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.