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Finding the Fourth Proportional to 135,344.40, 203,045.40 and 41,859.60

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Solution

The fourth proportional to 135,344.40, 203,045.40 and 41,859.60 is: 62,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,344.40 : 203,045.40 = 41,859.60 : x
  2. Step 2: Convert to fraction form
    135,344.40/203,045.40 = 41,859.60/x
  3. Step 3: Cross multiply
    135,344.40x = 203,045.40 × 41,859.60
  4. Step 4: Simplify right side
    135,344.40x = 8,499,399,225.84
  5. Step 5: Solve for x
    x = 8,499,399,225.84/135,344.40
  6. Step 6: Final answer
    x = 62,798.31

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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.