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Finding the Fourth Proportional to 450,016.56, 674,924.75 and 130,098.56

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Solution

The fourth proportional to 450,016.56, 674,924.75 and 130,098.56 is: 195,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,016.56 : 674,924.75 = 130,098.56 : x
  2. Step 2: Convert to fraction form
    450,016.56/674,924.75 = 130,098.56/x
  3. Step 3: Cross multiply
    450,016.56x = 674,924.75 × 130,098.56
  4. Step 4: Simplify right side
    450,016.56x = 87,806,735,277.92
  5. Step 5: Solve for x
    x = 87,806,735,277.92/450,016.56
  6. Step 6: Final answer
    x = 195,118.90

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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.