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Finding the Fourth Proportional to 107,647.60, 160,958.61 and 98,236.54

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Solution

The fourth proportional to 107,647.60, 160,958.61 and 98,236.54 is: 146,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,647.60 : 160,958.61 = 98,236.54 : x
  2. Step 2: Convert to fraction form
    107,647.60/160,958.61 = 98,236.54/x
  3. Step 3: Cross multiply
    107,647.60x = 160,958.61 × 98,236.54
  4. Step 4: Simplify right side
    107,647.60x = 15,812,016,929.61
  5. Step 5: Solve for x
    x = 15,812,016,929.61/107,647.60
  6. Step 6: Final answer
    x = 146,886.85

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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.