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Finding the Fourth Proportional to 192,144.01, 287,829.81 and 95,790.46

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Solution

The fourth proportional to 192,144.01, 287,829.81 and 95,790.46 is: 143,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,144.01 : 287,829.81 = 95,790.46 : x
  2. Step 2: Convert to fraction form
    192,144.01/287,829.81 = 95,790.46/x
  3. Step 3: Cross multiply
    192,144.01x = 287,829.81 × 95,790.46
  4. Step 4: Simplify right side
    192,144.01x = 27,571,349,901.61
  5. Step 5: Solve for x
    x = 27,571,349,901.61/192,144.01
  6. Step 6: Final answer
    x = 143,493.15

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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.