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Finding the Fourth Proportional to 99,967.88, 149,993.46 and 43,848.29

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Solution

The fourth proportional to 99,967.88, 149,993.46 and 43,848.29 is: 65,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,967.88 : 149,993.46 = 43,848.29 : x
  2. Step 2: Convert to fraction form
    99,967.88/149,993.46 = 43,848.29/x
  3. Step 3: Cross multiply
    99,967.88x = 149,993.46 × 43,848.29
  4. Step 4: Simplify right side
    99,967.88x = 6,576,955,982.22
  5. Step 5: Solve for x
    x = 6,576,955,982.22/99,967.88
  6. Step 6: Final answer
    x = 65,790.70

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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.