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Finding the Fourth Proportional to 170,066.67, 255,100.34 and 63,449.06

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Solution

The fourth proportional to 170,066.67, 255,100.34 and 63,449.06 is: 95,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,066.67 : 255,100.34 = 63,449.06 : x
  2. Step 2: Convert to fraction form
    170,066.67/255,100.34 = 63,449.06/x
  3. Step 3: Cross multiply
    170,066.67x = 255,100.34 × 63,449.06
  4. Step 4: Simplify right side
    170,066.67x = 16,185,875,304.90
  5. Step 5: Solve for x
    x = 16,185,875,304.90/170,066.67
  6. Step 6: Final answer
    x = 95,173.71

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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.