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Finding the Fourth Proportional to 96,613.82, 144,850.65 and 64,945.33

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Solution

The fourth proportional to 96,613.82, 144,850.65 and 64,945.33 is: 97,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,613.82 : 144,850.65 = 64,945.33 : x
  2. Step 2: Convert to fraction form
    96,613.82/144,850.65 = 64,945.33/x
  3. Step 3: Cross multiply
    96,613.82x = 144,850.65 × 64,945.33
  4. Step 4: Simplify right side
    96,613.82x = 9,407,372,902.84
  5. Step 5: Solve for x
    x = 9,407,372,902.84/96,613.82
  6. Step 6: Final answer
    x = 97,370.89

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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.