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Finding the Fourth Proportional to 171,037.76, 256,556.63 and 52,709.10

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Solution

The fourth proportional to 171,037.76, 256,556.63 and 52,709.10 is: 79,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,037.76 : 256,556.63 = 52,709.10 : x
  2. Step 2: Convert to fraction form
    171,037.76/256,556.63 = 52,709.10/x
  3. Step 3: Cross multiply
    171,037.76x = 256,556.63 × 52,709.10
  4. Step 4: Simplify right side
    171,037.76x = 13,522,869,066.33
  5. Step 5: Solve for x
    x = 13,522,869,066.33/171,037.76
  6. Step 6: Final answer
    x = 79,063.65

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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.