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Finding the Fourth Proportional to 115,674.40, 173,511.60 and 108,301.60

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Solution

The fourth proportional to 115,674.40, 173,511.60 and 108,301.60 is: 162,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,674.40 : 173,511.60 = 108,301.60 : x
  2. Step 2: Convert to fraction form
    115,674.40/173,511.60 = 108,301.60/x
  3. Step 3: Cross multiply
    115,674.40x = 173,511.60 × 108,301.60
  4. Step 4: Simplify right side
    115,674.40x = 18,791,583,898.56
  5. Step 5: Solve for x
    x = 18,791,583,898.56/115,674.40
  6. Step 6: Final answer
    x = 162,452.40

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1.5x scale

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.