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Finding the Fourth Proportional to 97,711.40, 146,451.90 and 50,940.20

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Solution

The fourth proportional to 97,711.40, 146,451.90 and 50,940.20 is: 76,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,711.40 : 146,451.90 = 50,940.20 : x
  2. Step 2: Convert to fraction form
    97,711.40/146,451.90 = 50,940.20/x
  3. Step 3: Cross multiply
    97,711.40x = 146,451.90 × 50,940.20
  4. Step 4: Simplify right side
    97,711.40x = 7,460,289,076.38
  5. Step 5: Solve for x
    x = 7,460,289,076.38/97,711.40
  6. Step 6: Final answer
    x = 76,350.24

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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.