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Finding the Fourth Proportional to 115,796.18, 173,749.63 and 65,235.48

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Solution

The fourth proportional to 115,796.18, 173,749.63 and 65,235.48 is: 97,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,796.18 : 173,749.63 = 65,235.48 : x
  2. Step 2: Convert to fraction form
    115,796.18/173,749.63 = 65,235.48/x
  3. Step 3: Cross multiply
    115,796.18x = 173,749.63 × 65,235.48
  4. Step 4: Simplify right side
    115,796.18x = 11,334,640,004.01
  5. Step 5: Solve for x
    x = 11,334,640,004.01/115,796.18
  6. Step 6: Final answer
    x = 97,884.40

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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.