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Finding the Fourth Proportional to 170,658.66, 255,958.83 and 45,970.50

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Solution

The fourth proportional to 170,658.66, 255,958.83 and 45,970.50 is: 68,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658.66 : 255,958.83 = 45,970.50 : x
  2. Step 2: Convert to fraction form
    170,658.66/255,958.83 = 45,970.50/x
  3. Step 3: Cross multiply
    170,658.66x = 255,958.83 × 45,970.50
  4. Step 4: Simplify right side
    170,658.66x = 11,766,555,394.52
  5. Step 5: Solve for x
    x = 11,766,555,394.52/170,658.66
  6. Step 6: Final answer
    x = 68,947.90

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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.