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Finding the Fourth Proportional to 170,029.72, 255,053.73 and 51,692.08

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Solution

The fourth proportional to 170,029.72, 255,053.73 and 51,692.08 is: 77,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,029.72 : 255,053.73 = 51,692.08 : x
  2. Step 2: Convert to fraction form
    170,029.72/255,053.73 = 51,692.08/x
  3. Step 3: Cross multiply
    170,029.72x = 255,053.73 × 51,692.08
  4. Step 4: Simplify right side
    170,029.72x = 13,184,257,815.46
  5. Step 5: Solve for x
    x = 13,184,257,815.46/170,029.72
  6. Step 6: Final answer
    x = 77,540.90

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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.