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Finding the Fourth Proportional to 149,067.60, 223,606.80 and 43,897.20

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Solution

The fourth proportional to 149,067.60, 223,606.80 and 43,897.20 is: 65,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,067.60 : 223,606.80 = 43,897.20 : x
  2. Step 2: Convert to fraction form
    149,067.60/223,606.80 = 43,897.20/x
  3. Step 3: Cross multiply
    149,067.60x = 223,606.80 × 43,897.20
  4. Step 4: Simplify right side
    149,067.60x = 9,815,712,420.96
  5. Step 5: Solve for x
    x = 9,815,712,420.96/149,067.60
  6. Step 6: Final answer
    x = 65,847.39

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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.