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Finding the Fourth Proportional to 345,042.84, 476,147.95 and 192,076.03

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Solution

The fourth proportional to 345,042.84, 476,147.95 and 192,076.03 is: 265,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,042.84 : 476,147.95 = 192,076.03 : x
  2. Step 2: Convert to fraction form
    345,042.84/476,147.95 = 192,076.03/x
  3. Step 3: Cross multiply
    345,042.84x = 476,147.95 × 192,076.03
  4. Step 4: Simplify right side
    345,042.84x = 91,456,607,928.64
  5. Step 5: Solve for x
    x = 91,456,607,928.64/345,042.84
  6. Step 6: Final answer
    x = 265,058.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.