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Finding the Fourth Proportional to 170,447.80, 255,710.10 and 52,124.60

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Solution

The fourth proportional to 170,447.80, 255,710.10 and 52,124.60 is: 78,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,447.80 : 255,710.10 = 52,124.60 : x
  2. Step 2: Convert to fraction form
    170,447.80/255,710.10 = 52,124.60/x
  3. Step 3: Cross multiply
    170,447.80x = 255,710.10 × 52,124.60
  4. Step 4: Simplify right side
    170,447.80x = 13,328,786,678.46
  5. Step 5: Solve for x
    x = 13,328,786,678.46/170,447.80
  6. Step 6: Final answer
    x = 78,198.64

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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.