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Finding the Fourth Proportional to 192,090.17, 288,072.95 and 63,972.33

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Solution

The fourth proportional to 192,090.17, 288,072.95 and 63,972.33 is: 95,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,090.17 : 288,072.95 = 63,972.33 : x
  2. Step 2: Convert to fraction form
    192,090.17/288,072.95 = 63,972.33/x
  3. Step 3: Cross multiply
    192,090.17x = 288,072.95 × 63,972.33
  4. Step 4: Simplify right side
    192,090.17x = 18,428,697,501.61
  5. Step 5: Solve for x
    x = 18,428,697,501.61/192,090.17
  6. Step 6: Final answer
    x = 95,937.75

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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.