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Finding the Fourth Proportional to 135,882.46, 203,615.88 and 56,953.66

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Solution

The fourth proportional to 135,882.46, 203,615.88 and 56,953.66 is: 85,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,882.46 : 203,615.88 = 56,953.66 : x
  2. Step 2: Convert to fraction form
    135,882.46/203,615.88 = 56,953.66/x
  3. Step 3: Cross multiply
    135,882.46x = 203,615.88 × 56,953.66
  4. Step 4: Simplify right side
    135,882.46x = 11,596,669,600.12
  5. Step 5: Solve for x
    x = 11,596,669,600.12/135,882.46
  6. Step 6: Final answer
    x = 85,343.39

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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.