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Finding the Fourth Proportional to 190,066.62, 285,163.24 and 63,719.34

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Solution

The fourth proportional to 190,066.62, 285,163.24 and 63,719.34 is: 95,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,066.62 : 285,163.24 = 63,719.34 : x
  2. Step 2: Convert to fraction form
    190,066.62/285,163.24 = 63,719.34/x
  3. Step 3: Cross multiply
    190,066.62x = 285,163.24 × 63,719.34
  4. Step 4: Simplify right side
    190,066.62x = 18,170,413,445.06
  5. Step 5: Solve for x
    x = 18,170,413,445.06/190,066.62
  6. Step 6: Final answer
    x = 95,600.23

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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.