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Finding the Fourth Proportional to 104,457.96, 144,009.16 and 71,751.37

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Solution

The fourth proportional to 104,457.96, 144,009.16 and 71,751.37 is: 98,918.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,457.96 : 144,009.16 = 71,751.37 : x
  2. Step 2: Convert to fraction form
    104,457.96/144,009.16 = 71,751.37/x
  3. Step 3: Cross multiply
    104,457.96x = 144,009.16 × 71,751.37
  4. Step 4: Simplify right side
    104,457.96x = 10,332,854,522.55
  5. Step 5: Solve for x
    x = 10,332,854,522.55/104,457.96
  6. Step 6: Final answer
    x = 98,918.79

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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.