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Finding the Fourth Proportional to 133,060.40, 199,619.40 and 39,575.60

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Solution

The fourth proportional to 133,060.40, 199,619.40 and 39,575.60 is: 59,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.40 : 199,619.40 = 39,575.60 : x
  2. Step 2: Convert to fraction form
    133,060.40/199,619.40 = 39,575.60/x
  3. Step 3: Cross multiply
    133,060.40x = 199,619.40 × 39,575.60
  4. Step 4: Simplify right side
    133,060.40x = 7,900,057,526.64
  5. Step 5: Solve for x
    x = 7,900,057,526.64/133,060.40
  6. Step 6: Final answer
    x = 59,371.97

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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.