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Finding the Fourth Proportional to 145,796.69, 218,662.22 and 52,302.44

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Solution

The fourth proportional to 145,796.69, 218,662.22 and 52,302.44 is: 78,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,796.69 : 218,662.22 = 52,302.44 : x
  2. Step 2: Convert to fraction form
    145,796.69/218,662.22 = 52,302.44/x
  3. Step 3: Cross multiply
    145,796.69x = 218,662.22 × 52,302.44
  4. Step 4: Simplify right side
    145,796.69x = 11,436,566,483.13
  5. Step 5: Solve for x
    x = 11,436,566,483.13/145,796.69
  6. Step 6: Final answer
    x = 78,441.88

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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.