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Finding the Fourth Proportional to 115,525.92, 173,313.18 and 65,629.11

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Solution

The fourth proportional to 115,525.92, 173,313.18 and 65,629.11 is: 98,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,525.92 : 173,313.18 = 65,629.11 : x
  2. Step 2: Convert to fraction form
    115,525.92/173,313.18 = 65,629.11/x
  3. Step 3: Cross multiply
    115,525.92x = 173,313.18 × 65,629.11
  4. Step 4: Simplify right side
    115,525.92x = 11,374,389,754.67
  5. Step 5: Solve for x
    x = 11,374,389,754.67/115,525.92
  6. Step 6: Final answer
    x = 98,457.47

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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.