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Finding the Fourth Proportional to 99,030, 148,564.44 and 43,626

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Solution

The fourth proportional to 99,030, 148,564.44 and 43,626 is: 65,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,030 : 148,564.44 = 43,626 : x
  2. Step 2: Convert to fraction form
    99,030/148,564.44 = 43,626/x
  3. Step 3: Cross multiply
    99,030x = 148,564.44 × 43,626
  4. Step 4: Simplify right side
    99,030x = 6,481,272,259.44
  5. Step 5: Solve for x
    x = 6,481,272,259.44/99,030
  6. Step 6: Final answer
    x = 65,447.56

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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.