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Finding the Fourth Proportional to 118,649.43, 177,996.02 and 96,655.50

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Solution

The fourth proportional to 118,649.43, 177,996.02 and 96,655.50 is: 145,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,649.43 : 177,996.02 = 96,655.50 : x
  2. Step 2: Convert to fraction form
    118,649.43/177,996.02 = 96,655.50/x
  3. Step 3: Cross multiply
    118,649.43x = 177,996.02 × 96,655.50
  4. Step 4: Simplify right side
    118,649.43x = 17,204,293,827.83
  5. Step 5: Solve for x
    x = 17,204,293,827.83/118,649.43
  6. Step 6: Final answer
    x = 145,001.07

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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.