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Finding the Fourth Proportional to 146,991.60, 220,487.40 and 41,796.90

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Solution

The fourth proportional to 146,991.60, 220,487.40 and 41,796.90 is: 62,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,991.60 : 220,487.40 = 41,796.90 : x
  2. Step 2: Convert to fraction form
    146,991.60/220,487.40 = 41,796.90/x
  3. Step 3: Cross multiply
    146,991.60x = 220,487.40 × 41,796.90
  4. Step 4: Simplify right side
    146,991.60x = 9,215,689,809.06
  5. Step 5: Solve for x
    x = 9,215,689,809.06/146,991.60
  6. Step 6: Final answer
    x = 62,695.35

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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.