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Finding the Fourth Proportional to 133,052.40, 199,535.40 and 44,290.80

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Solution

The fourth proportional to 133,052.40, 199,535.40 and 44,290.80 is: 66,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.40 : 199,535.40 = 44,290.80 : x
  2. Step 2: Convert to fraction form
    133,052.40/199,535.40 = 44,290.80/x
  3. Step 3: Cross multiply
    133,052.40x = 199,535.40 × 44,290.80
  4. Step 4: Simplify right side
    133,052.40x = 8,837,582,494.32
  5. Step 5: Solve for x
    x = 8,837,582,494.32/133,052.40
  6. Step 6: Final answer
    x = 66,421.82

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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.