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Finding the Fourth Proportional to 170,650.47, 255,973.65 and 44,279.47

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Solution

The fourth proportional to 170,650.47, 255,973.65 and 44,279.47 is: 66,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.47 : 255,973.65 = 44,279.47 : x
  2. Step 2: Convert to fraction form
    170,650.47/255,973.65 = 44,279.47/x
  3. Step 3: Cross multiply
    170,650.47x = 255,973.65 × 44,279.47
  4. Step 4: Simplify right side
    170,650.47x = 11,334,377,709.88
  5. Step 5: Solve for x
    x = 11,334,377,709.88/170,650.47
  6. Step 6: Final answer
    x = 66,418.67

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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.