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Finding the Fourth Proportional to 135,544.01, 203,039.90 and 64,250.55

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Solution

The fourth proportional to 135,544.01, 203,039.90 and 64,250.55 is: 96,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,544.01 : 203,039.90 = 64,250.55 : x
  2. Step 2: Convert to fraction form
    135,544.01/203,039.90 = 64,250.55/x
  3. Step 3: Cross multiply
    135,544.01x = 203,039.90 × 64,250.55
  4. Step 4: Simplify right side
    135,544.01x = 13,045,424,925.69
  5. Step 5: Solve for x
    x = 13,045,424,925.69/135,544.01
  6. Step 6: Final answer
    x = 96,244.94

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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.