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Finding the Fourth Proportional to 170,791.61, 255,907.01 and 58,410.52

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Solution

The fourth proportional to 170,791.61, 255,907.01 and 58,410.52 is: 87,519.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,791.61 : 255,907.01 = 58,410.52 : x
  2. Step 2: Convert to fraction form
    170,791.61/255,907.01 = 58,410.52/x
  3. Step 3: Cross multiply
    170,791.61x = 255,907.01 × 58,410.52
  4. Step 4: Simplify right side
    170,791.61x = 14,947,660,703.44
  5. Step 5: Solve for x
    x = 14,947,660,703.44/170,791.61
  6. Step 6: Final answer
    x = 87,519.88

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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.