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Finding the Fourth Proportional to 133,047.40, 199,599.90 and 39,562.60

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Solution

The fourth proportional to 133,047.40, 199,599.90 and 39,562.60 is: 59,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,047.40 : 199,599.90 = 39,562.60 : x
  2. Step 2: Convert to fraction form
    133,047.40/199,599.90 = 39,562.60/x
  3. Step 3: Cross multiply
    133,047.40x = 199,599.90 × 39,562.60
  4. Step 4: Simplify right side
    133,047.40x = 7,896,691,003.74
  5. Step 5: Solve for x
    x = 7,896,691,003.74/133,047.40
  6. Step 6: Final answer
    x = 59,352.46

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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.