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Finding the Fourth Proportional to 115,683.60, 173,410.20 and 53,245.20

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Solution

The fourth proportional to 115,683.60, 173,410.20 and 53,245.20 is: 79,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,683.60 : 173,410.20 = 53,245.20 : x
  2. Step 2: Convert to fraction form
    115,683.60/173,410.20 = 53,245.20/x
  3. Step 3: Cross multiply
    115,683.60x = 173,410.20 × 53,245.20
  4. Step 4: Simplify right side
    115,683.60x = 9,233,260,781.04
  5. Step 5: Solve for x
    x = 9,233,260,781.04/115,683.60
  6. Step 6: Final answer
    x = 79,814.78

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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.