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Finding the Fourth Proportional to 170,659.99, 255,993.68 and 52,328.71

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Solution

The fourth proportional to 170,659.99, 255,993.68 and 52,328.71 is: 78,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,659.99 : 255,993.68 = 52,328.71 : x
  2. Step 2: Convert to fraction form
    170,659.99/255,993.68 = 52,328.71/x
  3. Step 3: Cross multiply
    170,659.99x = 255,993.68 × 52,328.71
  4. Step 4: Simplify right side
    170,659.99x = 13,395,819,042.55
  5. Step 5: Solve for x
    x = 13,395,819,042.55/170,659.99
  6. Step 6: Final answer
    x = 78,494.20

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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.