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Finding the Fourth Proportional to 170,586.50, 255,879.75 and 59,778.50

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Solution

The fourth proportional to 170,586.50, 255,879.75 and 59,778.50 is: 89,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,586.50 : 255,879.75 = 59,778.50 : x
  2. Step 2: Convert to fraction form
    170,586.50/255,879.75 = 59,778.50/x
  3. Step 3: Cross multiply
    170,586.50x = 255,879.75 × 59,778.50
  4. Step 4: Simplify right side
    170,586.50x = 15,296,107,635.38
  5. Step 5: Solve for x
    x = 15,296,107,635.38/170,586.50
  6. Step 6: Final answer
    x = 89,667.75

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1.5x scale

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.