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Finding the Fourth Proportional to 297,135.48, 445,656.72 and 97,451.64

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Solution

The fourth proportional to 297,135.48, 445,656.72 and 97,451.64 is: 146,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,135.48 : 445,656.72 = 97,451.64 : x
  2. Step 2: Convert to fraction form
    297,135.48/445,656.72 = 97,451.64/x
  3. Step 3: Cross multiply
    297,135.48x = 445,656.72 × 97,451.64
  4. Step 4: Simplify right side
    297,135.48x = 43,429,978,241.02
  5. Step 5: Solve for x
    x = 43,429,978,241.02/297,135.48
  6. Step 6: Final answer
    x = 146,162.21

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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.