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Finding the Fourth Proportional to 96,769.99, 145,202.54 and 43,499.60

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Solution

The fourth proportional to 96,769.99, 145,202.54 and 43,499.60 is: 65,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,769.99 : 145,202.54 = 43,499.60 : x
  2. Step 2: Convert to fraction form
    96,769.99/145,202.54 = 43,499.60/x
  3. Step 3: Cross multiply
    96,769.99x = 145,202.54 × 43,499.60
  4. Step 4: Simplify right side
    96,769.99x = 6,316,252,009.98
  5. Step 5: Solve for x
    x = 6,316,252,009.98/96,769.99
  6. Step 6: Final answer
    x = 65,270.78

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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.