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Finding the Fourth Proportional to 106,481.40, 159,722.10 and 59,728.20

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Solution

The fourth proportional to 106,481.40, 159,722.10 and 59,728.20 is: 89,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,481.40 : 159,722.10 = 59,728.20 : x
  2. Step 2: Convert to fraction form
    106,481.40/159,722.10 = 59,728.20/x
  3. Step 3: Cross multiply
    106,481.40x = 159,722.10 × 59,728.20
  4. Step 4: Simplify right side
    106,481.40x = 9,539,913,533.22
  5. Step 5: Solve for x
    x = 9,539,913,533.22/106,481.40
  6. Step 6: Final answer
    x = 89,592.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.