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Finding the Fourth Proportional to 227,602.32, 314,239.14 and 203,687.88

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Solution

The fourth proportional to 227,602.32, 314,239.14 and 203,687.88 is: 281,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,602.32 : 314,239.14 = 203,687.88 : x
  2. Step 2: Convert to fraction form
    227,602.32/314,239.14 = 203,687.88/x
  3. Step 3: Cross multiply
    227,602.32x = 314,239.14 × 203,687.88
  4. Step 4: Simplify right side
    227,602.32x = 64,006,704,239.62
  5. Step 5: Solve for x
    x = 64,006,704,239.62/227,602.32
  6. Step 6: Final answer
    x = 281,221.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.