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Finding the Fourth Proportional to 345,065.97, 476,149.68 and 192,067.50

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Solution

The fourth proportional to 345,065.97, 476,149.68 and 192,067.50 is: 265,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,065.97 : 476,149.68 = 192,067.50 : x
  2. Step 2: Convert to fraction form
    345,065.97/476,149.68 = 192,067.50/x
  3. Step 3: Cross multiply
    345,065.97x = 476,149.68 × 192,067.50
  4. Step 4: Simplify right side
    345,065.97x = 91,452,878,663.40
  5. Step 5: Solve for x
    x = 91,452,878,663.40/345,065.97
  6. Step 6: Final answer
    x = 265,030.13

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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.