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Finding the Fourth Proportional to 100,711.30, 150,884.70 and 48,004.60

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Solution

The fourth proportional to 100,711.30, 150,884.70 and 48,004.60 is: 71,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,711.30 : 150,884.70 = 48,004.60 : x
  2. Step 2: Convert to fraction form
    100,711.30/150,884.70 = 48,004.60/x
  3. Step 3: Cross multiply
    100,711.30x = 150,884.70 × 48,004.60
  4. Step 4: Simplify right side
    100,711.30x = 7,243,159,669.62
  5. Step 5: Solve for x
    x = 7,243,159,669.62/100,711.30
  6. Step 6: Final answer
    x = 71,920.03

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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.