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Finding the Fourth Proportional to 73,318.50, 109,975.41 and 23,401.64

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Solution

The fourth proportional to 73,318.50, 109,975.41 and 23,401.64 is: 35,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.50 : 109,975.41 = 23,401.64 : x
  2. Step 2: Convert to fraction form
    73,318.50/109,975.41 = 23,401.64/x
  3. Step 3: Cross multiply
    73,318.50x = 109,975.41 × 23,401.64
  4. Step 4: Simplify right side
    73,318.50x = 2,573,604,403.80
  5. Step 5: Solve for x
    x = 2,573,604,403.80/73,318.50
  6. Step 6: Final answer
    x = 35,101.71

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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.