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Finding the Fourth Proportional to 95,420.96, 142,913.44 and 45,536.09

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Solution

The fourth proportional to 95,420.96, 142,913.44 and 45,536.09 is: 68,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,420.96 : 142,913.44 = 45,536.09 : x
  2. Step 2: Convert to fraction form
    95,420.96/142,913.44 = 45,536.09/x
  3. Step 3: Cross multiply
    95,420.96x = 142,913.44 × 45,536.09
  4. Step 4: Simplify right side
    95,420.96x = 6,507,719,266.05
  5. Step 5: Solve for x
    x = 6,507,719,266.05/95,420.96
  6. Step 6: Final answer
    x = 68,200.10

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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.