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Finding the Fourth Proportional to 99,029, 148,562.94 and 43,625

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Solution

The fourth proportional to 99,029, 148,562.94 and 43,625 is: 65,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,029 : 148,562.94 = 43,625 : x
  2. Step 2: Convert to fraction form
    99,029/148,562.94 = 43,625/x
  3. Step 3: Cross multiply
    99,029x = 148,562.94 × 43,625
  4. Step 4: Simplify right side
    99,029x = 6,481,058,257.50
  5. Step 5: Solve for x
    x = 6,481,058,257.50/99,029
  6. Step 6: Final answer
    x = 65,446.06

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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.