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Finding the Fourth Proportional to 438,772.96, 658,159.44 and 106,348.96

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Solution

The fourth proportional to 438,772.96, 658,159.44 and 106,348.96 is: 159,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,772.96 : 658,159.44 = 106,348.96 : x
  2. Step 2: Convert to fraction form
    438,772.96/658,159.44 = 106,348.96/x
  3. Step 3: Cross multiply
    438,772.96x = 658,159.44 × 106,348.96
  4. Step 4: Simplify right side
    438,772.96x = 69,994,571,958.18
  5. Step 5: Solve for x
    x = 69,994,571,958.18/438,772.96
  6. Step 6: Final answer
    x = 159,523.44

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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.