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Finding the Fourth Proportional to 71,804.40, 107,406.60 and 50,455.62

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Solution

The fourth proportional to 71,804.40, 107,406.60 and 50,455.62 is: 75,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.40 : 107,406.60 = 50,455.62 : x
  2. Step 2: Convert to fraction form
    71,804.40/107,406.60 = 50,455.62/x
  3. Step 3: Cross multiply
    71,804.40x = 107,406.60 × 50,455.62
  4. Step 4: Simplify right side
    71,804.40x = 5,419,266,342.81
  5. Step 5: Solve for x
    x = 5,419,266,342.81/71,804.40
  6. Step 6: Final answer
    x = 75,472.62

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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.