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Finding the Fourth Proportional to 170,008.34, 255,041.68 and 51,691.64

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Solution

The fourth proportional to 170,008.34, 255,041.68 and 51,691.64 is: 77,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,008.34 : 255,041.68 = 51,691.64 : x
  2. Step 2: Convert to fraction form
    170,008.34/255,041.68 = 51,691.64/x
  3. Step 3: Cross multiply
    170,008.34x = 255,041.68 × 51,691.64
  4. Step 4: Simplify right side
    170,008.34x = 13,183,522,707.56
  5. Step 5: Solve for x
    x = 13,183,522,707.56/170,008.34
  6. Step 6: Final answer
    x = 77,546.33

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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.